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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Nathalie Debersaques

Bib: 24641 •F •Age: N/A

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
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
26:38
3.11 mi
Rank: #20491
Start → 5K
26:38 | 8:35/mi
10K
53:17
6.21 mi
Rank: #20601 (-110)
5K → 10K
26:39 | 8:35/mi
15K
1:20:42
9.32 mi
Rank: #21067 (-466)
10K → 15K
27:25 | 8:50/mi
20K
1:49:40
12.43 mi
Rank: #21663 (-596)
15K → 20K
28:58 | 9:20/mi
HALF
1:55:59
13.11 mi
Rank: #21781 (-118)
20K → HALF
6:19 | 9:17/mi
25K
2:19:19
15.53 mi
Rank: #22108 (-327)
HALF → 25K
23:20 | 9:38/mi
30K
2:50:43
18.64 mi
Rank: #22465 (-357)
25K → 30K
31:24 | 10:07/mi
20M
3:04:44
20.00 mi
Rank: #22579 (-114)
30K → 20M
14:01 | 10:20/mi
21M
3:15:55
21.00 mi
Rank: #22620 (-41)
20M → 21M
11:11 | 11:11/mi
35K
3:22:51
21.75 mi
Rank: #22566 (+54)
21M → 35K
6:56 | 9:17/mi
23M
3:34:56
23.00 mi
Rank: #22460 (+106)
35K → 23M
12:05 | 9:40/mi
24M
3:44:12
24.00 mi
Rank: #22384 (+76)
23M → 24M
9:16 | 9:16/mi
40K
3:52:24
24.85 mi
Rank: #22306 (+78)
24M → 40K
8:12 | 9:36/mi
25.2M
3:56:06
25.20 mi
Rank: #22299 (+7)
40K → 25.2M
3:42 | 10:44/mi
FINISH
4:05:28
26.22 mi
Rank: #22256 (+43)
25.2M → FINISH
9:22 | 9:12/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:55:59
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:09:29
Pace9:53 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:4826:388:3526:38
8:35
-
10K
6.21 mi11:57:2753:178:3526:39
8:35
0:00
15K
9.32 mi12:24:521:20:428:4027:25
8:50
+0:15
20K
12.43 mi12:53:501:49:408:5028:58
9:20
+0:30
HALF
13.11 mi13:00:091:55:598:516:19
9:17
-0:03
25K
15.53 mi13:23:292:19:198:5923:20
9:38
+0:21
30K
18.64 mi13:54:532:50:439:1031:24
10:07
+0:29
20M
20.00 mi14:08:543:04:449:1514:01
10:20
+0:13
21M
21.00 mi14:20:053:15:559:2011:11
11:11
+0:51
35K
21.75 mi14:27:013:22:519:206:56
9:17
-1:54
23M
23.00 mi14:39:063:34:569:2112:05
9:40
+0:23
24M
24.00 mi14:48:223:44:129:219:16
9:16
-0:24
40K
24.85 mi14:56:343:52:249:228:12
9:36
+0:20
25.2M
25.20 mi15:00:163:56:069:233:42
10:44
+1:08
FINISH
26.22 mi15:09:384:05:289:239:22
9:12
-1:32

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

8:35 /mi

Average Pace

9:22 /mi

Slowest Pace

11:11 /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

1:20:42

33% of race

Time at Steady Pace

1:44:28

43% of race

Time at Slower Pace

1:00:18

25% of race

Average Pace: 9:22 /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 mi11:30:4826:388:3526:38
8:35
#20491
10K
6.21 mi11:57:2753:178:3526:39
8:35
#20601
15K
9.32 mi12:24:521:20:428:4027:25
8:50
#21067
20K
12.43 mi12:53:501:49:408:5028:58
9:20
#21663
HALF
13.11 mi13:00:091:55:598:516:19
9:17
#21781
25K
15.53 mi13:23:292:19:198:5923:20
9:38
#22108
30K
18.64 mi13:54:532:50:439:1031:24
10:07
#22465
20M
20.00 mi14:08:543:04:449:1514:01
10:20
#22579
21M
21.00 mi14:20:053:15:559:2011:11
11:11
#22620
35K
21.75 mi14:27:013:22:519:206:56
9:17
#22566
23M
23.00 mi14:39:063:34:569:2112:05
9:40
#22460
24M
24.00 mi14:48:223:44:129:219:16
9:16
#22384
40K
24.85 mi14:56:343:52:249:228:12
9:36
#22306
25.2M
25.20 mi15:00:163:56:069:233:42
10:44
#22299
FINISH
26.22 mi15:09:384:05:289:239:22
9:12
#22256
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 mi204917912791221868(Top 75%)8577(Top 68%)8577(Top 902%)
10K6.21 mi3.10 mi20601-1107941-297941-2920791(Top 72%)8028(Top 64%)8028(Top 844%)
15K9.32 mi3.11 mi21067-4668174-2338174-23321868(Top 75%)8577(Top 68%)8577(Top 902%)
20K12.43 mi3.11 mi21663-5968493-3198493-31923204(Top 80%)9288(Top 74%)9288(Top 977%)
HALF13.11 mi0.68 mi21781-1188546-538546-5323701(Top 82%)9525(Top 76%)9525(Top 1002%)
25K15.53 mi2.42 mi22108-3278710-1648710-16423353(Top 80%)9385(Top 75%)9385(Top 987%)
30K18.64 mi3.11 mi22465-3578934-2248934-22423394(Top 81%)9502(Top 76%)9502(Top 999%)
20M20.00 mi1.36 mi22579-1149005-719005-7123399(Top 81%)9585(Top 76%)9585(Top 1008%)
21M21.00 mi1.00 mi22620-419039-349039-3423518(Top 81%)9694(Top 77%)9694(Top 1019%)
35K21.75 mi0.75 mi22566+549015+249015+2421074(Top 73%)8482(Top 67%)8482(Top 892%)
23M23.00 mi1.25 mi22460+1068982+338982+3321121(Top 73%)8536(Top 68%)8536(Top 898%)
24M24.00 mi1.00 mi22384+768951+318951+3120538(Top 71%)8314(Top 66%)8314(Top 874%)
40K24.85 mi0.85 mi22306+788925+268925+2620713(Top 71%)8436(Top 67%)8436(Top 887%)
25.2M25.20 mi0.35 mi22299+78930-58930-521764(Top 75%)8956(Top 71%)8956(Top 942%)
FINISH26.22 mi1.02 mi22256+438921+98921+921282(Top 73%)8717(Top 69%)8717(Top 917%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21
+97ft-345ft

Overall

21868

Females

8577

F55-59

8577

5K→10K

3.1 - 6.2 mi

Top 72%
×5
+79ft-138ft

Overall

20791

Females

8028

F55-59

8028

10K→15K

6.2 - 9.3 mi

Top 75%
×3
+67ft-78ft

Overall

21868

Females

8577

F55-59

8577

15K→20K

9.3 - 12.4 mi

Top 80%
×5
+106ft-86ft

Overall

23204

Females

9288

F55-59

9288

20K→HALF

12.4 - 13.1 mi

Top 82%
×2
+19ft-37ft

Overall

23701

Females

9525

F55-59

9525

HALF→25K

13.1 - 15.5 mi

Top 80%
×4
+66ft-88ft

Overall

23353

Females

9385

F55-59

9385

25K→30K

15.5 - 18.6 mi

Top 81%
×9
+181ft-148ft

Overall

23394

Females

9502

F55-59

9502

30K→20M

18.6 - 20.0 mi

Top 81%
×5
+64ft-50ft

Overall

23399

Females

9585

F55-59

9585

20M→21M

20.0 - 21.0 mi

Top 81%
×8
+106ft-24ft

Overall

23518

Females

9694

F55-59

9694

21M→35K

21.0 - 21.8 mi

Top 73%
×7
+17ft-86ft

Overall

21074

Females

8482

F55-59

8482

35K→23M

21.8 - 23.0 mi

Top 73%
×5
+23ft-63ft

Overall

21121

Females

8536

F55-59

8536

23M→24M

23.0 - 24.0 mi

Top 71%
×6
+12ft-82ft

Overall

20538

Females

8314

F55-59

8314

24M→40K

24.0 - 24.9 mi

Top 71%
×1
+6ft-20ft

Overall

20713

Females

8436

F55-59

8436

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1
+13ft-16ft

Overall

21764

Females

8956

F55-59

8956

25.2M→FINISH

25.2 - 26.2 mi

Top 73%
×2
+22ft-21ft

Overall

21282

Females

8717

F55-59

8717

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1031
Passed By
1493
Net Change
-1765
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20491
5K → 10K200200-110#20491#20601
10K → 15K62200-466#20601#21067
15K → 20K44200-596#21067#21663
20K → HALF9127-118#21663#21781
HALF → 25K54200-327#21781#22108
25K → 30K87200-357#22108#22465
30K → 20M53167-114#22465#22579
20M → 21M5495-41#22579#22620
21M → 35K7218+54#22620#22566
35K → 23M13125+106#22566#22460
23M → 24M8711+76#22460#22384
24M → 40K9517+78#22384#22306
40K → 25.2M1912+7#22306#22299
25.2M → FINISH6421+43#22299#22256
TOTALS10311493-1765
📊

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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