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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Hollie Nelsen

Bib: 28775 •F •Age: N/A

FL

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 (F45-49)
#0 / 1786
Race Day Weather
51°/41°F
overcast clouds
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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
33:56
3.11 mi
Rank: #27909
Start → 5K
33:56 | 10:56/mi
10K
1:08:48
6.21 mi
Rank: #27966 (-57)
5K → 10K
34:52 | 11:14/mi
15K
1:42:47
9.32 mi
Rank: #27767 (+199)
10K → 15K
33:59 | 10:57/mi
20K
2:17:29
12.43 mi
Rank: #27614 (+153)
15K → 20K
34:42 | 11:11/mi
HALF
2:25:06
13.11 mi
Rank: #27606 (+8)
20K → HALF
7:37 | 11:11/mi
25K
2:53:09
15.53 mi
Rank: #27502 (+104)
HALF → 25K
28:03 | 11:34/mi
30K
3:29:51
18.64 mi
Rank: #27347 (+155)
25K → 30K
36:42 | 11:49/mi
20M
3:46:08
20.00 mi
Rank: #27274 (+73)
30K → 20M
16:17 | 12:00/mi
21M
3:58:16
21.00 mi
Rank: #27204 (+70)
20M → 21M
12:08 | 12:08/mi
35K
4:06:56
21.75 mi
Rank: #27182 (+22)
21M → 35K
8:40 | 11:36/mi
23M
4:22:00
23.00 mi
Rank: #27138 (+44)
35K → 23M
15:04 | 12:03/mi
24M
4:33:54
24.00 mi
Rank: #27122 (+16)
23M → 24M
11:54 | 11:54/mi
40K
4:44:31
24.85 mi
Rank: #27108 (+14)
24M → 40K
10:37 | 12:26/mi
25.2M
4:48:59
25.20 mi
Rank: #27105 (+3)
40K → 25.2M
4:28 | 12:58/mi
FINISH
4:59:57
26.22 mi
Rank: #27071 (+34)
25.2M → FINISH
10:58 | 10:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:25:06
Pace11:05 /mi
2nd Half
Distance13.11 mi
Time2:34:51
Pace11:49 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:01:1933:5610:5633:56
10:56
-
10K
6.21 mi12:36:111:08:4811:0534:52
11:14
+0:18
15K
9.32 mi13:10:101:42:4711:0233:59
10:57
-0:17
20K
12.43 mi13:44:522:17:2911:0434:42
11:11
+0:14
HALF
13.11 mi13:52:292:25:0611:057:37
11:11
0:00
25K
15.53 mi14:20:322:53:0911:0928:03
11:34
+0:23
30K
18.64 mi14:57:143:29:5111:1636:42
11:49
+0:15
20M
20.00 mi15:13:313:46:0811:1916:17
12:00
+0:11
21M
21.00 mi15:25:393:58:1611:2112:08
12:08
+0:08
35K
21.75 mi15:34:194:06:5611:228:40
11:36
-0:32
23M
23.00 mi15:49:234:22:0011:2415:04
12:03
+0:27
24M
24.00 mi16:01:174:33:5411:2511:54
11:54
-0:09
40K
24.85 mi16:11:544:44:3111:2710:37
12:26
+0:32
25.2M
25.20 mi16:16:224:48:5911:294:28
12:58
+0:32
FINISH
26.22 mi16:27:204:59:5711:2710:58
10:46
-2:12

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

10:46 /mi

Average Pace

11:27 /mi

Slowest Pace

12:58 /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

2:36:04

52% of race

Time at Steady Pace

1:13:25

24% of race

Time at Slower Pace

1:10:28

23% of race

Average Pace: 11:26 /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 mi12:01:1933:5610:5633:56
10:56
#27909
10K
6.21 mi12:36:111:08:4811:0534:52
11:14
#27966
15K
9.32 mi13:10:101:42:4711:0233:59
10:57
#27767
20K
12.43 mi13:44:522:17:2911:0434:42
11:11
#27614
HALF
13.11 mi13:52:292:25:0611:057:37
11:11
#27606
25K
15.53 mi14:20:322:53:0911:0928:03
11:34
#27502
30K
18.64 mi14:57:143:29:5111:1636:42
11:49
#27347
20M
20.00 mi15:13:313:46:0811:1916:17
12:00
#27274
21M
21.00 mi15:25:393:58:1611:2112:08
12:08
#27204
35K
21.75 mi15:34:194:06:5611:228:40
11:36
#27182
23M
23.00 mi15:49:234:22:0011:2415:04
12:03
#27138
24M
24.00 mi16:01:174:33:5411:2511:54
11:54
#27122
40K
24.85 mi16:11:544:44:3111:2710:37
12:26
#27108
25.2M
25.20 mi16:16:224:48:5911:294:28
12:58
#27105
FINISH
26.22 mi16:27:204:59:5711:2710:58
10:46
#27071
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi27909118221182227354(Top 94%)11521(Top 92%)11521(Top 645%)
10K6.21 mi3.10 mi27966-5711870-4811870-4827945(Top 96%)11884(Top 94%)11884(Top 665%)
15K9.32 mi3.11 mi27767+19911752+11811752+11827354(Top 94%)11521(Top 92%)11521(Top 645%)
20K12.43 mi3.11 mi27614+15311666+8611666+8627186(Top 94%)11414(Top 91%)11414(Top 639%)
HALF13.11 mi0.68 mi27606+811667-111667-127563(Top 95%)11679(Top 93%)11679(Top 654%)
25K15.53 mi2.42 mi27502+10411606+6111606+6127092(Top 93%)11422(Top 91%)11422(Top 640%)
30K18.64 mi3.11 mi27347+15511533+7311533+7326547(Top 91%)11202(Top 89%)11202(Top 627%)
20M20.00 mi1.36 mi27274+7311501+3211501+3226390(Top 91%)11187(Top 89%)11187(Top 626%)
21M21.00 mi1.00 mi27204+7011474+2711474+2725280(Top 87%)10648(Top 85%)10648(Top 596%)
35K21.75 mi0.75 mi27182+2211461+1311461+1326216(Top 90%)11146(Top 89%)11146(Top 624%)
23M23.00 mi1.25 mi27138+4411448+1311448+1326181(Top 90%)11158(Top 89%)11158(Top 625%)
24M24.00 mi1.00 mi27122+1611450-211450-226497(Top 91%)11361(Top 90%)11361(Top 636%)
40K24.85 mi0.85 mi27108+1411449+111449+126436(Top 91%)11364(Top 90%)11364(Top 636%)
25.2M25.20 mi0.35 mi27105+311453-411453-426026(Top 90%)11135(Top 89%)11135(Top 623%)
FINISH26.22 mi1.02 mi27071+3411443+1011443+1025664(Top 88%)10981(Top 87%)10981(Top 615%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21
+97ft-345ft

Overall

27354

Females

11521

F45-49

11521

5K→10K

3.1 - 6.2 mi

Top 96%
×5
+79ft-138ft

Overall

27945

Females

11884

F45-49

11884

10K→15K

6.2 - 9.3 mi

Top 94%
×3
+67ft-78ft

Overall

27354

Females

11521

F45-49

11521

15K→20K

9.3 - 12.4 mi

Top 94%
×5
+106ft-86ft

Overall

27186

Females

11414

F45-49

11414

20K→HALF

12.4 - 13.1 mi

Top 95%
×2
+19ft-37ft

Overall

27563

Females

11679

F45-49

11679

HALF→25K

13.1 - 15.5 mi

Top 93%
×4
+66ft-88ft

Overall

27092

Females

11422

F45-49

11422

25K→30K

15.5 - 18.6 mi

Top 91%
×9
+181ft-148ft

Overall

26547

Females

11202

F45-49

11202

30K→20M

18.6 - 20.0 mi

Top 91%
×5
+64ft-50ft

Overall

26390

Females

11187

F45-49

11187

20M→21M

20.0 - 21.0 mi

Top 87%
×8
+106ft-24ft

Overall

25280

Females

10648

F45-49

10648

21M→35K

21.0 - 21.8 mi

Top 90%
×7
+17ft-86ft

Overall

26216

Females

11146

F45-49

11146

35K→23M

21.8 - 23.0 mi

Top 90%
×5
+23ft-63ft

Overall

26181

Females

11158

F45-49

11158

23M→24M

23.0 - 24.0 mi

Top 91%
×6
+12ft-82ft

Overall

26497

Females

11361

F45-49

11361

24M→40K

24.0 - 24.9 mi

Top 91%
×1
+6ft-20ft

Overall

26436

Females

11364

F45-49

11364

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1
+13ft-16ft

Overall

26026

Females

11135

F45-49

11135

25.2M→FINISH

25.2 - 26.2 mi

Top 88%
×2
+22ft-21ft

Overall

25664

Females

10981

F45-49

10981

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1198*
Passed By
360
Net Change
+838
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27909
5K → 10K103160-57#27909#27966
10K → 15K220*21+199#27966#27767
15K → 20K18027+153#27767#27614
20K → HALF2214+8#27614#27606
HALF → 25K13026+104#27606#27502
25K → 30K17015+155#27502#27347
30K → 20M8714+73#27347#27274
20M → 21M788+70#27274#27204
21M → 35K3715+22#27204#27182
35K → 23M5814+44#27182#27138
23M → 24M3216+16#27138#27122
24M → 40K2511+14#27122#27108
40K → 25.2M1310+3#27108#27105
25.2M → FINISH439+34#27105#27071
TOTALS1198*360+838

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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