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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Caroline Nielsen

Bib: 31493 β€’F β€’Age: N/A

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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
51Β°/41Β°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
30:11
3.11 mi
Rank: #25131
Start β†’ 5K
30:11 | 9:43/mi
10K
1:01:11
6.21 mi
Rank: #25492 (-361)
5K β†’ 10K
31:00 | 9:59/mi
15K
1:32:57
9.32 mi
Rank: #25749 (-257)
10K β†’ 15K
31:46 | 10:14/mi
20K
2:04:25
12.43 mi
Rank: #25624 (+125)
15K β†’ 20K
31:28 | 10:08/mi
HALF
2:11:27
13.11 mi
Rank: #25665 (-41)
20K β†’ HALF
7:02 | 10:20/mi
25K
2:36:51
15.53 mi
Rank: #25626 (+39)
HALF β†’ 25K
25:24 | 10:29/mi
30K
3:11:32
18.64 mi
Rank: #25614 (+12)
25K β†’ 30K
34:41 | 11:10/mi
20M
3:26:39
20.00 mi
Rank: #25588 (+26)
30K β†’ 20M
15:07 | 11:08/mi
21M
3:39:00
21.00 mi
Rank: #25602 (-14)
20M β†’ 21M
12:21 | 12:21/mi
35K
3:47:23
21.75 mi
Rank: #25613 (-11)
21M β†’ 35K
8:23 | 11:13/mi
23M
4:01:41
23.00 mi
Rank: #25598 (+15)
35K β†’ 23M
14:18 | 11:26/mi
24M
4:12:46
24.00 mi
Rank: #25582 (+16)
23M β†’ 24M
11:05 | 11:05/mi
40K
4:24:24
24.85 mi
Rank: #25738 (-156)
24M β†’ 40K
11:38 | 13:37/mi
25.2M
4:29:32
25.20 mi
Rank: #25792 (-54)
40K β†’ 25.2M
5:08 | 14:54/mi
FINISH
4:41:57
26.22 mi
Rank: #25907 (-115)
25.2M β†’ FINISH
12:25 | 12:12/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
Time2:11:27
Pace10:02 /mi
2nd Half
Distance13.11 mi
Time2:30:30
Pace11:29 /mi
πŸ“ŠPositive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:3130:119:4330:11
9:43
-
10K
6.21 mi12:28:311:01:119:5131:00
9:59
+0:16
15K
9.32 mi13:00:171:32:579:5931:46
10:14
+0:15
20K
12.43 mi13:31:452:04:2510:0131:28
10:08
-0:06
HALF
13.11 mi13:38:472:11:2710:027:02
10:20
+0:12
25K
15.53 mi14:04:112:36:5110:0625:24
10:29
+0:09
30K
18.64 mi14:38:523:11:3210:1734:41
11:10
+0:41
20M
20.00 mi14:53:593:26:3910:2015:07
11:08
-0:02
21M
21.00 mi15:06:203:39:0010:2612:21
12:21
+1:13
35K
21.75 mi15:14:433:47:2310:288:23
11:13
-1:08
23M
23.00 mi15:29:014:01:4110:3114:18
11:26
+0:13
24M
24.00 mi15:40:064:12:4610:3211:05
11:05
-0:21
40K
24.85 mi15:51:444:24:2410:3911:38
13:37
+2:32
25.2M
25.20 mi15:56:524:29:3210:425:08
14:54
+1:17
FINISH
26.22 mi16:09:174:41:5710:4612:25
12:12
-2:42

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

9:43 /mi

Average Pace

10:46 /mi

Slowest Pace

14:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:11:27

47% of race

Time at Steady Pace

1:48:58

39% of race

Time at Slower Pace

41:32

15% of race

Average Pace: 10:45 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:57:3130:119:4330:11
9:43
#25131
10K
6.21 mi12:28:311:01:119:5131:00
9:59
#25492
15K
9.32 mi13:00:171:32:579:5931:46
10:14
#25749
20K
12.43 mi13:31:452:04:2510:0131:28
10:08
#25624
HALF
13.11 mi13:38:472:11:2710:027:02
10:20
#25665
25K
15.53 mi14:04:112:36:5110:0625:24
10:29
#25626
30K
18.64 mi14:38:523:11:3210:1734:41
11:10
#25614
20M
20.00 mi14:53:593:26:3910:2015:07
11:08
#25588
21M
21.00 mi15:06:203:39:0010:2612:21
12:21
#25602
35K
21.75 mi15:14:433:47:2310:288:23
11:13
#25613
23M
23.00 mi15:29:014:01:4110:3114:18
11:26
#25598
24M
24.00 mi15:40:064:12:4610:3211:05
11:05
#25582
40K
24.85 mi15:51:444:24:2410:3911:38
13:37
#25738
25.2M
25.20 mi15:56:524:29:3210:425:08
14:54
#25792
FINISH
26.22 mi16:09:174:41:5710:4612:25
12:12
#25907
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 mi25131102401024026194(Top 90%)10841(Top 86%)10841(Top 190%)
10K6.21 mi3.10 mi25492-36110436-19610436-19625794(Top 89%)10618(Top 84%)10618(Top 186%)
15K9.32 mi3.11 mi25749-25710574-13810574-13826194(Top 90%)10841(Top 86%)10841(Top 190%)
20K12.43 mi3.11 mi25624+12510513+6110513+6125328(Top 87%)10375(Top 82%)10375(Top 182%)
HALF13.11 mi0.68 mi25665-4110539-2610539-2626338(Top 91%)10958(Top 87%)10958(Top 192%)
25K15.53 mi2.42 mi25626+3910527+1210527+1225406(Top 88%)10472(Top 83%)10472(Top 183%)
30K18.64 mi3.11 mi25614+1210556-2910556-2925625(Top 88%)10691(Top 85%)10691(Top 187%)
20M20.00 mi1.36 mi25588+2610563-710563-725157(Top 87%)10528(Top 84%)10528(Top 184%)
21M21.00 mi1.00 mi25602-1410581-1810581-1825581(Top 88%)10809(Top 86%)10809(Top 189%)
35K21.75 mi0.75 mi25613-1110599-1810599-1825612(Top 88%)10844(Top 86%)10844(Top 190%)
23M23.00 mi1.25 mi25598+1510604-510604-525312(Top 87%)10731(Top 85%)10731(Top 188%)
24M24.00 mi1.00 mi25582+1610614-1010614-1025272(Top 87%)10734(Top 85%)10734(Top 188%)
40K24.85 mi0.85 mi25738-15610707-9310707-9327593(Top 95%)11910(Top 95%)11910(Top 208%)
25.2M25.20 mi0.35 mi25792-5410740-3310740-3327884(Top 96%)12076(Top 96%)12076(Top 211%)
FINISH26.22 mi1.02 mi25907-11510811-7110811-7127630(Top 95%)11929(Top 95%)11929(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
Γ—21
+97ft-345ft

Overall

26194

Females

10841

F18-39

10841

5K→10K

3.1 - 6.2 mi

Top 89%
Γ—5
+79ft-138ft

Overall

25794

Females

10618

F18-39

10618

10K→15K

6.2 - 9.3 mi

Top 90%
Γ—3
+67ft-78ft

Overall

26194

Females

10841

F18-39

10841

15K→20K

9.3 - 12.4 mi

Top 87%
Γ—5
+106ft-86ft

Overall

25328

Females

10375

F18-39

10375

20K→HALF

12.4 - 13.1 mi

Top 91%
Γ—2
+19ft-37ft

Overall

26338

Females

10958

F18-39

10958

HALF→25K

13.1 - 15.5 mi

Top 88%
Γ—4
+66ft-88ft

Overall

25406

Females

10472

F18-39

10472

25K→30K

15.5 - 18.6 mi

Top 88%
Γ—9
+181ft-148ft

Overall

25625

Females

10691

F18-39

10691

30K→20M

18.6 - 20.0 mi

Top 87%
Γ—5
+64ft-50ft

Overall

25157

Females

10528

F18-39

10528

20M→21M

20.0 - 21.0 mi

Top 88%
Γ—8
+106ft-24ft

Overall

25581

Females

10809

F18-39

10809

21M→35K

21.0 - 21.8 mi

Top 88%
Γ—7
+17ft-86ft

Overall

25612

Females

10844

F18-39

10844

35K→23M

21.8 - 23.0 mi

Top 87%
Γ—5
+23ft-63ft

Overall

25312

Females

10731

F18-39

10731

23M→24M

23.0 - 24.0 mi

Top 87%
Γ—6
+12ft-82ft

Overall

25272

Females

10734

F18-39

10734

24M→40K

24.0 - 24.9 mi

Top 95%
Γ—1
+6ft-20ft

Overall

27593

Females

11910

F18-39

11910

40K→25.2M

24.9 - 25.2 mi

Top 96%
Γ—1
+13ft-16ft

Overall

27884

Females

12076

F18-39

12076

25.2M→FINISH

25.2 - 26.2 mi

Top 95%
Γ—2
+22ft-21ft

Overall

27630

Females

11929

F18-39

11929

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
856
Passed By
1282
Net Change
-776
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#25131
5K β†’ 10K73200-361#25131#25492
10K β†’ 15K59200-257#25492#25749
15K β†’ 20K18762+125#25749#25624
20K β†’ HALF1051-41#25624#25665
HALF β†’ 25K10263+39#25665#25626
25K β†’ 30K140128+12#25626#25614
30K β†’ 20M8155+26#25614#25588
20M β†’ 21M5165-14#25588#25602
21M β†’ 35K3041-11#25602#25613
35K β†’ 23M5540+15#25613#25598
23M β†’ 24M4731+16#25598#25582
24M β†’ 40K8164-156#25582#25738
40K β†’ 25.2M357-54#25738#25792
25.2M β†’ FINISH10125-115#25792#25907
TOTALS8561282-776
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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