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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Natali Griffin

Bib: 15964 •F •Age: N/A

UT

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
25:22
3.11 mi
Rank: #18024
Start → 5K
25:22 | 8:10/mi
10K
50:24
6.21 mi
Rank: #17850 (+174)
5K → 10K
25:02 | 8:04/mi
15K
1:15:54
9.32 mi
Rank: #18027 (-177)
10K → 15K
25:30 | 8:13/mi
20K
1:41:53
12.43 mi
Rank: #18161 (-134)
15K → 20K
25:59 | 8:22/mi
HALF
1:47:41
13.11 mi
Rank: #18261 (-100)
20K → HALF
5:48 | 8:31/mi
25K
2:16:51
15.53 mi
Rank: #21368 (-3107)
HALF → 25K
29:10 | 12:02/mi
30K
2:54:32
18.64 mi
Rank: #23212 (-1844)
25K → 30K
37:41 | 12:08/mi
20M
3:10:58
20.00 mi
Rank: #23575 (-363)
30K → 20M
16:26 | 12:06/mi
21M
3:21:44
21.00 mi
Rank: #23514 (+61)
20M → 21M
10:46 | 10:46/mi
35K
3:29:02
21.75 mi
Rank: #23451 (+63)
21M → 35K
7:18 | 9:46/mi
23M
3:41:30
23.00 mi
Rank: #23338 (+113)
35K → 23M
12:28 | 9:58/mi
24M
3:52:49
24.00 mi
Rank: #23478 (-140)
23M → 24M
11:19 | 11:19/mi
40K
4:02:35
24.85 mi
Rank: #23543 (-65)
24M → 40K
9:46 | 11:26/mi
25.2M
4:06:34
25.20 mi
Rank: #23532 (+11)
40K → 25.2M
3:59 | 11:34/mi
FINISH
4:18:26
26.22 mi
Rank: #23742 (-210)
25.2M → FINISH
11:52 | 11:39/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:47:41
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time2:30:45
Pace11:30 /mi
📊Positive Split: 40.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2025:228:1025:22
8:10
-
10K
6.21 mi11:38:2250:248:0725:02
8:04
-0:06
15K
9.32 mi12:03:521:15:548:0925:30
8:13
+0:09
20K
12.43 mi12:29:511:41:538:1225:59
8:22
+0:09
HALF
13.11 mi12:35:391:47:418:135:48
8:31
+0:09
25K
15.53 mi13:04:492:16:518:4929:10
12:02
+3:31
30K
18.64 mi13:42:302:54:329:2237:41
12:08
+0:06
20M
20.00 mi13:58:563:10:589:3316:26
12:06
-0:02
21M
21.00 mi14:09:423:21:449:3710:46
10:46
-1:20
35K
21.75 mi14:17:003:29:029:377:18
9:46
-1:00
23M
23.00 mi14:29:283:41:309:3812:28
9:58
+0:12
24M
24.00 mi14:40:473:52:499:4311:19
11:19
+1:21
40K
24.85 mi14:50:334:02:359:469:46
11:26
+0:07
25.2M
25.20 mi14:54:324:06:349:483:59
11:34
+0:08
FINISH
26.22 mi15:06:244:18:269:5211:52
11:39
+0:05

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

8:04 /mi

Average Pace

9:52 /mi

Slowest Pace

12:08 /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

2:07:27

49% of race

Time at Steady Pace

31:51

12% of race

Time at Slower Pace

1:39:08

38% of race

Average Pace: 9:51 /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 mi11:13:2025:228:1025:22
8:10
#18024
10K
6.21 mi11:38:2250:248:0725:02
8:04
#17850
15K
9.32 mi12:03:521:15:548:0925:30
8:13
#18027
20K
12.43 mi12:29:511:41:538:1225:59
8:22
#18161
HALF
13.11 mi12:35:391:47:418:135:48
8:31
#18261
25K
15.53 mi13:04:492:16:518:4929:10
12:02
#21368
30K
18.64 mi13:42:302:54:329:2237:41
12:08
#23212
20M
20.00 mi13:58:563:10:589:3316:26
12:06
#23575
21M
21.00 mi14:09:423:21:449:3710:46
10:46
#23514
35K
21.75 mi14:17:003:29:029:377:18
9:46
#23451
23M
23.00 mi14:29:283:41:309:3812:28
9:58
#23338
24M
24.00 mi14:40:473:52:499:4311:19
11:19
#23478
40K
24.85 mi14:50:334:02:359:469:46
11:26
#23543
25.2M
25.20 mi14:54:324:06:349:483:59
11:34
#23532
FINISH
26.22 mi15:06:244:18:269:5211:52
11:39
#23742
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi180246531653118403(Top 63%)6706(Top 53%)6706(Top 117%)
10K6.21 mi3.10 mi17850+1746408+1236408+12317697(Top 61%)6326(Top 50%)6326(Top 111%)
15K9.32 mi3.11 mi18027-1776504-966504-9618403(Top 63%)6706(Top 53%)6706(Top 117%)
20K12.43 mi3.11 mi18161-1346577-736577-7318504(Top 64%)6803(Top 54%)6803(Top 119%)
HALF13.11 mi0.68 mi18261-1006633-566633-5620372(Top 70%)7803(Top 62%)7803(Top 137%)
25K15.53 mi2.42 mi21368-31078355-17228355-172227551(Top 95%)11694(Top 93%)11694(Top 205%)
30K18.64 mi3.11 mi23212-18449325-9709325-97026945(Top 93%)11428(Top 91%)11428(Top 200%)
20M20.00 mi1.36 mi23575-3639510-1859510-18526532(Top 91%)11260(Top 90%)11260(Top 197%)
21M21.00 mi1.00 mi23514+619491+199491+1922595(Top 78%)9200(Top 73%)9200(Top 161%)
35K21.75 mi0.75 mi23451+639472+199472+1922516(Top 78%)9215(Top 73%)9215(Top 161%)
23M23.00 mi1.25 mi23338+1139424+489424+4822043(Top 76%)9023(Top 72%)9023(Top 158%)
24M24.00 mi1.00 mi23478-1409503-799503-7925655(Top 88%)10925(Top 87%)10925(Top 191%)
40K24.85 mi0.85 mi23543-659543-409543-4024989(Top 86%)10625(Top 84%)10625(Top 186%)
25.2M25.20 mi0.35 mi23532+119547-49547-423623(Top 81%)9937(Top 79%)9937(Top 174%)
FINISH26.22 mi1.02 mi23742-2109676-1299676-12927068(Top 93%)11672(Top 93%)11672(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21
+97ft-345ft

Overall

18403

Females

6706

F18-39

6706

5K→10K

3.1 - 6.2 mi

Top 61%
×5
+79ft-138ft

Overall

17697

Females

6326

F18-39

6326

10K→15K

6.2 - 9.3 mi

Top 63%
×3
+67ft-78ft

Overall

18403

Females

6706

F18-39

6706

15K→20K

9.3 - 12.4 mi

Top 64%
×5
+106ft-86ft

Overall

18504

Females

6803

F18-39

6803

20K→HALF

12.4 - 13.1 mi

Top 70%
×2
+19ft-37ft

Overall

20372

Females

7803

F18-39

7803

HALF→25K

13.1 - 15.5 mi

Top 95%
×4
+66ft-88ft

Overall

27551

Females

11694

F18-39

11694

25K→30K

15.5 - 18.6 mi

Top 93%
×9
+181ft-148ft

Overall

26945

Females

11428

F18-39

11428

30K→20M

18.6 - 20.0 mi

Top 91%
×5
+64ft-50ft

Overall

26532

Females

11260

F18-39

11260

20M→21M

20.0 - 21.0 mi

Top 78%
×8
+106ft-24ft

Overall

22595

Females

9200

F18-39

9200

21M→35K

21.0 - 21.8 mi

Top 78%
×7
+17ft-86ft

Overall

22516

Females

9215

F18-39

9215

35K→23M

21.8 - 23.0 mi

Top 76%
×5
+23ft-63ft

Overall

22043

Females

9023

F18-39

9023

23M→24M

23.0 - 24.0 mi

Top 88%
×6
+12ft-82ft

Overall

25655

Females

10925

F18-39

10925

24M→40K

24.0 - 24.9 mi

Top 86%
×1
+6ft-20ft

Overall

24989

Females

10625

F18-39

10625

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1
+13ft-16ft

Overall

23623

Females

9937

F18-39

9937

25.2M→FINISH

25.2 - 26.2 mi

Top 93%
×2
+22ft-21ft

Overall

27068

Females

11672

F18-39

11672

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1029*
Passed By
1839
Net Change
-5718
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18024
5K → 10K374*200+174#18024#17850
10K → 15K117200-177#17850#18027
15K → 20K118200-134#18027#18161
20K → HALF10110-100#18161#18261
HALF → 25K0200-3107#18261#21368
25K → 30K11200-1844#21368#23212
30K → 20M16200-363#23212#23575
20M → 21M8726+61#23575#23514
21M → 35K7815+63#23514#23451
35K → 23M13017+113#23451#23338
23M → 24M23163-140#23338#23478
24M → 40K2893-65#23478#23543
40K → 25.2M2615+11#23543#23532
25.2M → FINISH11200-210#23532#23742
TOTALS1029*1839-5718

* 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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