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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Nell Birmingham

Bib: 29448 •F •Age: N/A

MA

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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
31:42
3.11 mi
Rank: #26503
Start → 5K
31:42 | 10:13/mi
10K
1:02:52
6.21 mi
Rank: #26199 (+304)
5K → 10K
31:10 | 10:02/mi
15K
1:33:49
9.32 mi
Rank: #25992 (+207)
10K → 15K
30:57 | 9:58/mi
20K
2:06:14
12.43 mi
Rank: #25977 (+15)
15K → 20K
32:25 | 10:27/mi
HALF
2:13:16
13.11 mi
Rank: #26004 (-27)
20K → HALF
7:02 | 10:20/mi
25K
2:39:31
15.53 mi
Rank: #26016 (-12)
HALF → 25K
26:15 | 10:50/mi
30K
3:14:38
18.64 mi
Rank: #26000 (+16)
25K → 30K
35:07 | 11:19/mi
20M
3:30:10
20.00 mi
Rank: #25988 (+12)
30K → 20M
15:32 | 11:27/mi
21M
3:42:53
21.00 mi
Rank: #26009 (-21)
20M → 21M
12:43 | 12:43/mi
35K
3:51:15
21.75 mi
Rank: #25998 (+11)
21M → 35K
8:22 | 11:12/mi
23M
4:06:47
23.00 mi
Rank: #26059 (-61)
35K → 23M
15:32 | 12:25/mi
24M
4:17:38
24.00 mi
Rank: #26013 (+46)
23M → 24M
10:51 | 10:51/mi
40K
4:28:16
24.85 mi
Rank: #26046 (-33)
24M → 40K
10:38 | 12:27/mi
25.2M
4:33:08
25.20 mi
Rank: #26080 (-34)
40K → 25.2M
4:52 | 14:07/mi
FINISH
4:43:26
26.22 mi
Rank: #26027 (+53)
25.2M → FINISH
10:18 | 10:07/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:13:16
Pace10:10 /mi
2nd Half
Distance13.11 mi
Time2:30:10
Pace11:28 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:3131:4210:1331:42
10:13
-
10K
6.21 mi12:27:411:02:5210:0831:10
10:02
-0:11
15K
9.32 mi12:58:381:33:4910:0430:57
9:58
-0:04
20K
12.43 mi13:31:032:06:1410:1032:25
10:27
+0:29
HALF
13.11 mi13:38:052:13:1610:107:02
10:20
-0:07
25K
15.53 mi14:04:202:39:3110:1726:15
10:50
+0:30
30K
18.64 mi14:39:273:14:3810:2735:07
11:19
+0:29
20M
20.00 mi14:54:593:30:1010:3115:32
11:27
+0:08
21M
21.00 mi15:07:423:42:5310:3712:43
12:43
+1:16
35K
21.75 mi15:16:043:51:1510:388:22
11:12
-1:31
23M
23.00 mi15:31:364:06:4710:4415:32
12:25
+1:13
24M
24.00 mi15:42:274:17:3810:4510:51
10:51
-1:34
40K
24.85 mi15:53:054:28:1610:4810:38
12:27
+1:36
25.2M
25.20 mi15:57:574:33:0810:514:52
14:07
+1:40
FINISH
26.22 mi16:08:154:43:2610:5010:18
10:07
-4:00

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

9:58 /mi

Average Pace

10:49 /mi

Slowest Pace

14:07 /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

1:44:07

37% of race

Time at Steady Pace

2:00:02

42% of race

Time at Slower Pace

59:17

21% of race

Average Pace: 10:49 /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 mi11:56:3131:4210:1331:42
10:13
#26503
10K
6.21 mi12:27:411:02:5210:0831:10
10:02
#26199
15K
9.32 mi12:58:381:33:4910:0430:57
9:58
#25992
20K
12.43 mi13:31:032:06:1410:1032:25
10:27
#25977
HALF
13.11 mi13:38:052:13:1610:107:02
10:20
#26004
25K
15.53 mi14:04:202:39:3110:1726:15
10:50
#26016
30K
18.64 mi14:39:273:14:3810:2735:07
11:19
#26000
20M
20.00 mi14:54:593:30:1010:3115:32
11:27
#25988
21M
21.00 mi15:07:423:42:5310:3712:43
12:43
#26009
35K
21.75 mi15:16:043:51:1510:388:22
11:12
#25998
23M
23.00 mi15:31:364:06:4710:4415:32
12:25
#26059
24M
24.00 mi15:42:274:17:3810:4510:51
10:51
#26013
40K
24.85 mi15:53:054:28:1610:4810:38
12:27
#26046
25.2M
25.20 mi15:57:574:33:0810:514:52
14:07
#26080
FINISH
26.22 mi16:08:154:43:2610:5010:18
10:07
#26027
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 mi26503109871098725612(Top 88%)10509(Top 84%)10509(Top 184%)
10K6.21 mi3.10 mi26199+30410826+16110826+16125935(Top 89%)10691(Top 85%)10691(Top 187%)
15K9.32 mi3.11 mi25992+20710719+10710719+10725612(Top 88%)10509(Top 84%)10509(Top 184%)
20K12.43 mi3.11 mi25977+1510704+1510704+1525995(Top 90%)10736(Top 85%)10736(Top 188%)
HALF13.11 mi0.68 mi26004-2710723-1910723-1926340(Top 91%)10960(Top 87%)10960(Top 192%)
25K15.53 mi2.42 mi26016-1210746-2310746-2326054(Top 90%)10829(Top 86%)10829(Top 189%)
30K18.64 mi3.11 mi26000+1610765-1910765-1925857(Top 89%)10818(Top 86%)10818(Top 189%)
20M20.00 mi1.36 mi25988+1210769-410769-425638(Top 88%)10790(Top 86%)10790(Top 189%)
21M21.00 mi1.00 mi26009-2110803-3410803-3426042(Top 90%)11043(Top 88%)11043(Top 193%)
35K21.75 mi0.75 mi25998+1110812-910812-925579(Top 88%)10827(Top 86%)10827(Top 189%)
23M23.00 mi1.25 mi26059-6110846-3410846-3426674(Top 92%)11418(Top 91%)11418(Top 200%)
24M24.00 mi1.00 mi26013+4610839+710839+724831(Top 86%)10516(Top 84%)10516(Top 184%)
40K24.85 mi0.85 mi26046-3310874-3510874-3526461(Top 91%)11374(Top 90%)11374(Top 199%)
25.2M25.20 mi0.35 mi26080-3410897-2310897-2327301(Top 94%)11783(Top 94%)11783(Top 206%)
FINISH26.22 mi1.02 mi26027+5310876+2110876+2124144(Top 83%)10189(Top 81%)10189(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21
+97ft-345ft

Overall

25612

Females

10509

F18-39

10509

5K→10K

3.1 - 6.2 mi

Top 89%
×5
+79ft-138ft

Overall

25935

Females

10691

F18-39

10691

10K→15K

6.2 - 9.3 mi

Top 88%
×3
+67ft-78ft

Overall

25612

Females

10509

F18-39

10509

15K→20K

9.3 - 12.4 mi

Top 90%
×5
+106ft-86ft

Overall

25995

Females

10736

F18-39

10736

20K→HALF

12.4 - 13.1 mi

Top 91%
×2
+19ft-37ft

Overall

26340

Females

10960

F18-39

10960

HALF→25K

13.1 - 15.5 mi

Top 90%
×4
+66ft-88ft

Overall

26054

Females

10829

F18-39

10829

25K→30K

15.5 - 18.6 mi

Top 89%
×9
+181ft-148ft

Overall

25857

Females

10818

F18-39

10818

30K→20M

18.6 - 20.0 mi

Top 88%
×5
+64ft-50ft

Overall

25638

Females

10790

F18-39

10790

20M→21M

20.0 - 21.0 mi

Top 90%
×8
+106ft-24ft

Overall

26042

Females

11043

F18-39

11043

21M→35K

21.0 - 21.8 mi

Top 88%
×7
+17ft-86ft

Overall

25579

Females

10827

F18-39

10827

35K→23M

21.8 - 23.0 mi

Top 92%
×5
+23ft-63ft

Overall

26674

Females

11418

F18-39

11418

23M→24M

23.0 - 24.0 mi

Top 86%
×6
+12ft-82ft

Overall

24831

Females

10516

F18-39

10516

24M→40K

24.0 - 24.9 mi

Top 91%
×1
+6ft-20ft

Overall

26461

Females

11374

F18-39

11374

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1
+13ft-16ft

Overall

27301

Females

11783

F18-39

11783

25.2M→FINISH

25.2 - 26.2 mi

Top 83%
×2
+22ft-21ft

Overall

24144

Females

10189

F18-39

10189

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1306*
Passed By
830
Net Change
+476
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26503
5K → 10K379*75+304#26503#26199
10K → 15K237*30+207#26199#25992
15K → 20K120105+15#25992#25977
20K → HALF1845-27#25977#26004
HALF → 25K8294-12#26004#26016
25K → 30K134118+16#26016#26000
30K → 20M6553+12#26000#25988
20M → 21M4667-21#25988#26009
21M → 35K4534+11#26009#25998
35K → 23M2687-61#25998#26059
23M → 24M6014+46#26059#26013
24M → 40K2356-33#26013#26046
40K → 25.2M337-34#26046#26080
25.2M → FINISH6815+53#26080#26027
TOTALS1306*830+476

* 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

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