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BOSTON MARATHON 2026

Debbie Nack

Bib: 25060•F

PA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F55-59)
#0 / 951
Top 41%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
29:20
3.11 mi
Rank: #24299
Start → 5K
29:20 | 9:27/mi
10K
57:05
6.21 mi
Rank: #23498 (+801)
5K → 10K
27:45 | 8:56/mi
15K
1:24:36
9.32 mi
Rank: #23033 (+465)
10K → 15K
27:31 | 8:52/mi
20K
1:52:23
12.43 mi
Rank: #22676 (+357)
15K → 20K
27:47 | 8:57/mi
HALF
1:58:16
13.11 mi
Rank: #22591 (+85)
20K → HALF
5:53 | 8:38/mi
25K
2:19:54
15.53 mi
Rank: #22279 (+312)
HALF → 25K
21:38 | 8:56/mi
30K
2:47:59
18.64 mi
Rank: #21820 (+459)
25K → 30K
28:05 | 9:03/mi
20M
3:00:02
20.00 mi
Rank: #21552 (+268)
30K → 20M
12:03 | 8:53/mi
21M
3:09:27
21.00 mi
Rank: #21378 (+174)
20M → 21M
9:25 | 9:25/mi
35K
3:15:58
21.75 mi
Rank: #21273 (+105)
21M → 35K
6:31 | 8:43/mi
23M
3:26:55
23.00 mi
Rank: #21063 (+210)
35K → 23M
10:57 | 8:45/mi
24M
3:35:15
24.00 mi
Rank: #20872 (+191)
23M → 24M
8:20 | 8:20/mi
40K
3:42:21
24.85 mi
Rank: #20663 (+209)
24M → 40K
7:06 | 8:19/mi
25.2M
3:45:23
25.20 mi
Rank: #20570 (+93)
40K → 25.2M
3:02 | 8:48/mi
FINISH
3:53:29
26.22 mi
Rank: #20356 (+214)
25.2M → FINISH
8:06 | 7:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:58:16
Pace9:02 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:55:13
Pace8:48 /mi
📊Negative Split: 2.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:3229:209:2729:20
9:27
-
10K
6.21 mi12:04:1757:059:1227:45
8:56
-0:31
15K
9.32 mi12:31:481:24:369:0527:31
8:52
-0:04
20K
12.43 mi12:59:351:52:239:0327:47
8:57
+0:05
HALF
13.11 mi13:05:281:58:169:025:53
8:38
-0:19
25K
15.53 mi13:27:062:19:549:0121:38
8:56
+0:18
30K
18.64 mi13:55:112:47:599:0128:05
9:03
+0:07
20M
20.00 mi14:07:143:00:029:0112:03
8:53
-0:10
21M
21.00 mi14:16:393:09:279:029:25
9:25
+0:32
35K
21.75 mi14:23:103:15:589:016:31
8:43
-0:42
23M
23.00 mi14:34:073:26:559:0010:57
8:45
+0:02
24M
24.00 mi14:42:273:35:158:598:20
8:20
-0:25
40K
24.85 mi14:49:333:42:218:577:06
8:19
-0:01
25.2M
25.20 mi14:52:353:45:238:573:02
8:48
+0:29
FINISH
26.22 mi15:00:413:53:298:558:06
7:57
-0:51

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:57 /mi

Average Pace

8:55 /mi

Slowest Pace

9:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

35:56

15% of race

Time at Steady Pace

2:38:48

68% of race

Time at Slower Pace

38:45

17% of race

Average Pace: 8:54 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:36:3229:209:2729:20
9:27
#24299
10K
6.21 mi12:04:1757:059:1227:45
8:56
#23498
15K
9.32 mi12:31:481:24:369:0527:31
8:52
#23033
20K
12.43 mi12:59:351:52:239:0327:47
8:57
#22676
HALF
13.11 mi13:05:281:58:169:025:53
8:38
#22591
25K
15.53 mi13:27:062:19:549:0121:38
8:56
#22279
30K
18.64 mi13:55:112:47:599:0128:05
9:03
#21820
20M
20.00 mi14:07:143:00:029:0112:03
8:53
#21552
21M
21.00 mi14:16:393:09:279:029:25
9:25
#21378
35K
21.75 mi14:23:103:15:589:016:31
8:43
#21273
23M
23.00 mi14:34:073:26:559:0010:57
8:45
#21063
24M
24.00 mi14:42:273:35:158:598:20
8:20
#20872
40K
24.85 mi14:49:333:42:218:577:06
8:19
#20663
25.2M
25.20 mi14:52:353:45:238:573:02
8:48
#20570
FINISH
26.22 mi15:00:413:53:298:558:06
7:57
#20356
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi242999820982022012(Top 76%)8645(Top 69%)8645(Top 909%)
10K6.21 mi3.10 mi23498+8019408+4129408+41222547(Top 78%)8920(Top 71%)8920(Top 938%)
15K9.32 mi3.11 mi23033+4659160+2489160+24822012(Top 76%)8645(Top 69%)8645(Top 909%)
20K12.43 mi3.11 mi22676+3578983+1778983+17721670(Top 75%)8497(Top 68%)8497(Top 893%)
HALF13.11 mi0.68 mi22591+858942+418942+4121020(Top 72%)8128(Top 65%)8128(Top 855%)
25K15.53 mi2.42 mi22279+3128795+1478795+14720807(Top 72%)8069(Top 64%)8069(Top 848%)
30K18.64 mi3.11 mi21820+4598586+2098586+20919775(Top 68%)7629(Top 61%)7629(Top 802%)
20M20.00 mi1.36 mi21552+2688475+1118475+11118353(Top 63%)6964(Top 55%)6964(Top 732%)
21M21.00 mi1.00 mi21378+1748393+828393+8218166(Top 63%)6884(Top 55%)6884(Top 724%)
35K21.75 mi0.75 mi21273+1058345+488345+4818719(Top 65%)7277(Top 58%)7277(Top 765%)
23M23.00 mi1.25 mi21063+2108240+1058240+10517222(Top 59%)6554(Top 52%)6554(Top 689%)
24M24.00 mi1.00 mi20872+1918155+858155+8515974(Top 55%)5903(Top 47%)5903(Top 621%)
40K24.85 mi0.85 mi20663+2098074+818074+8114542(Top 50%)5198(Top 41%)5198(Top 547%)
25.2M25.20 mi0.35 mi20570+938034+408034+4013641(Top 47%)4736(Top 38%)4736(Top 498%)
FINISH26.22 mi1.02 mi20356+2147939+957939+9514893(Top 51%)5398(Top 43%)5398(Top 568%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21
+97ft-345ft

Overall

22012

Females

8645

F55-59

8645

5K→10K

3.1 - 6.2 mi

Top 78%
×5
+79ft-138ft

Overall

22547

Females

8920

F55-59

8920

10K→15K

6.2 - 9.3 mi

Top 76%
×3
+67ft-78ft

Overall

22012

Females

8645

F55-59

8645

15K→20K

9.3 - 12.4 mi

Top 75%
×5
+106ft-86ft

Overall

21670

Females

8497

F55-59

8497

20K→HALF

12.4 - 13.1 mi

Top 72%
×2
+19ft-37ft

Overall

21020

Females

8128

F55-59

8128

HALF→25K

13.1 - 15.5 mi

Top 72%
×4
+66ft-88ft

Overall

20807

Females

8069

F55-59

8069

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19775

Females

7629

F55-59

7629

30K→20M

18.6 - 20.0 mi

Top 63%
×5
+64ft-50ft

Overall

18353

Females

6964

F55-59

6964

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18166

Females

6884

F55-59

6884

21M→35K

21.0 - 21.8 mi

Top 65%
×7
+17ft-86ft

Overall

18719

Females

7277

F55-59

7277

35K→23M

21.8 - 23.0 mi

Top 59%
×5
+23ft-63ft

Overall

17222

Females

6554

F55-59

6554

23M→24M

23.0 - 24.0 mi

Top 55%
×6
+12ft-82ft

Overall

15974

Females

5903

F55-59

5903

24M→40K

24.0 - 24.9 mi

Top 50%
×1
+6ft-20ft

Overall

14542

Females

5198

F55-59

5198

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1
+13ft-16ft

Overall

13641

Females

4736

F55-59

4736

25.2M→FINISH

25.2 - 26.2 mi

Top 51%
×2
+22ft-21ft

Overall

14893

Females

5398

F55-59

5398

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4073
Passed By
130
Net Change
+3943
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24299
5K → 10K83029+801#24299#23498
10K → 15K49126+465#23498#23033
15K → 20K38124+357#23033#22676
20K → HALF861+85#22676#22591
HALF → 25K32210+312#22591#22279
25K → 30K4678+459#22279#21820
30K → 20M2724+268#21820#21552
20M → 21M18612+174#21552#21378
21M → 35K1116+105#21378#21273
35K → 23M2122+210#21273#21063
23M → 24M1921+191#21063#20872
24M → 40K2090+209#20872#20663
40K → 25.2M952+93#20663#20570
25.2M → FINISH2195+214#20570#20356
TOTALS4073130+3943
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing