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BOSTON MARATHON 2026

Marisa Biddulph

Bib: 14190•F

OR

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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
23:39
3.11 mi
Rank: #13785
Start → 5K
23:39 | 7:37/mi
10K
47:35
6.21 mi
Rank: #14250 (-465)
5K → 10K
23:56 | 7:43/mi
15K
1:12:24
9.32 mi
Rank: #15159 (-909)
10K → 15K
24:49 | 8:00/mi
20K
1:36:57
12.43 mi
Rank: #15188 (-29)
15K → 20K
24:33 | 7:55/mi
HALF
1:42:13
13.11 mi
Rank: #15169 (+19)
20K → HALF
5:16 | 7:44/mi
25K
2:02:29
15.53 mi
Rank: #15647 (-478)
HALF → 25K
20:16 | 8:22/mi
30K
2:29:27
18.64 mi
Rank: #16122 (-475)
25K → 30K
26:58 | 8:41/mi
20M
2:41:50
20.00 mi
Rank: #16407 (-285)
30K → 20M
12:23 | 9:08/mi
21M
2:51:41
21.00 mi
Rank: #16645 (-238)
20M → 21M
9:51 | 9:51/mi
35K
2:57:57
21.75 mi
Rank: #16619 (+26)
21M → 35K
6:16 | 8:23/mi
23M
3:09:36
23.00 mi
Rank: #16839 (-220)
35K → 23M
11:39 | 9:19/mi
24M
3:18:17
24.00 mi
Rank: #16873 (-34)
23M → 24M
8:41 | 8:41/mi
40K
3:27:27
24.85 mi
Rank: #17294 (-421)
24M → 40K
9:10 | 10:44/mi
25.2M
3:30:41
25.20 mi
Rank: #17270 (+24)
40K → 25.2M
3:14 | 9:23/mi
FINISH
3:39:29
26.22 mi
Rank: #17354 (-84)
25.2M → FINISH
8:48 | 8:39/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:13
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:57:16
Pace8:57 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:5023:397:3723:39
7:37
-
10K
6.21 mi11:30:4647:357:4023:56
7:43
+0:06
15K
9.32 mi11:55:351:12:247:4724:49
8:00
+0:17
20K
12.43 mi12:20:081:36:577:4924:33
7:55
-0:05
HALF
13.11 mi12:25:241:42:137:485:16
7:44
-0:11
25K
15.53 mi12:45:402:02:297:5420:16
8:22
+0:38
30K
18.64 mi13:12:382:29:278:0226:58
8:41
+0:19
20M
20.00 mi13:25:012:41:508:0612:23
9:08
+0:27
21M
21.00 mi13:34:522:51:418:119:51
9:51
+0:43
35K
21.75 mi13:41:082:57:578:116:16
8:23
-1:28
23M
23.00 mi13:52:473:09:368:1511:39
9:19
+0:56
24M
24.00 mi14:01:283:18:178:168:41
8:41
-0:38
40K
24.85 mi14:10:383:27:278:219:10
10:44
+2:03
25.2M
25.20 mi14:13:523:30:418:223:14
9:23
-1:21
FINISH
26.22 mi14:22:403:39:298:238:48
8:39
-0:44

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

7:37 /mi

Average Pace

8:23 /mi

Slowest Pace

10:44 /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

1:42:13

47% of race

Time at Steady Pace

1:10:59

32% of race

Time at Slower Pace

46:17

21% of race

Average Pace: 8:22 /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 mi11:06:5023:397:3723:39
7:37
#13785
10K
6.21 mi11:30:4647:357:4023:56
7:43
#14250
15K
9.32 mi11:55:351:12:247:4724:49
8:00
#15159
20K
12.43 mi12:20:081:36:577:4924:33
7:55
#15188
HALF
13.11 mi12:25:241:42:137:485:16
7:44
#15169
25K
15.53 mi12:45:402:02:297:5420:16
8:22
#15647
30K
18.64 mi13:12:382:29:278:0226:58
8:41
#16122
20M
20.00 mi13:25:012:41:508:0612:23
9:08
#16407
21M
21.00 mi13:34:522:51:418:119:51
9:51
#16645
35K
21.75 mi13:41:082:57:578:116:16
8:23
#16619
23M
23.00 mi13:52:473:09:368:1511:39
9:19
#16839
24M
24.00 mi14:01:283:18:178:168:41
8:41
#16873
40K
24.85 mi14:10:383:27:278:219:10
10:44
#17294
25.2M
25.20 mi14:13:523:30:418:223:14
9:23
#17270
FINISH
26.22 mi14:22:403:39:298:238:48
8:39
#17354
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 mi137853957395716945(Top 58%)5886(Top 47%)5886(Top 103%)
10K6.21 mi3.10 mi14250-4654249-2924249-29214824(Top 51%)4591(Top 37%)4591(Top 80%)
15K9.32 mi3.11 mi15159-9094840-5914840-59116945(Top 58%)5886(Top 47%)5886(Top 103%)
20K12.43 mi3.11 mi15188-294863-234863-2315362(Top 53%)5014(Top 40%)5014(Top 88%)
HALF13.11 mi0.68 mi15169+194849+144849+1415063(Top 52%)4784(Top 38%)4784(Top 84%)
25K15.53 mi2.42 mi15647-4785156-3075156-30717734(Top 61%)6411(Top 51%)6411(Top 112%)
30K18.64 mi3.11 mi16122-4755479-3235479-32317915(Top 62%)6622(Top 53%)6622(Top 116%)
20M20.00 mi1.36 mi16407-2855658-1795658-17919499(Top 67%)7536(Top 60%)7536(Top 132%)
21M21.00 mi1.00 mi16645-2385791-1335791-13319928(Top 69%)7814(Top 62%)7814(Top 137%)
35K21.75 mi0.75 mi16619+265794-35794-316943(Top 58%)6297(Top 50%)6297(Top 110%)
23M23.00 mi1.25 mi16839-2205954-1605954-16019873(Top 68%)7920(Top 63%)7920(Top 139%)
24M24.00 mi1.00 mi16873-345987-335987-3317928(Top 62%)6951(Top 55%)6951(Top 122%)
40K24.85 mi0.85 mi17294-4216248-2616248-26123711(Top 82%)9976(Top 79%)9976(Top 175%)
25.2M25.20 mi0.35 mi17270+246246+26246+216779(Top 58%)6385(Top 51%)6385(Top 112%)
FINISH26.22 mi1.02 mi17354-846313-676313-6718846(Top 65%)7478(Top 59%)7478(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16945

Females

5886

F18-39

5886

5K→10K

3.1 - 6.2 mi

Top 51%
×5
+79ft-138ft

Overall

14824

Females

4591

F18-39

4591

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16945

Females

5886

F18-39

5886

15K→20K

9.3 - 12.4 mi

Top 53%
×5
+106ft-86ft

Overall

15362

Females

5014

F18-39

5014

20K→HALF

12.4 - 13.1 mi

Top 52%
×2
+19ft-37ft

Overall

15063

Females

4784

F18-39

4784

HALF→25K

13.1 - 15.5 mi

Top 61%
×4
+66ft-88ft

Overall

17734

Females

6411

F18-39

6411

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

17915

Females

6622

F18-39

6622

30K→20M

18.6 - 20.0 mi

Top 67%
×5
+64ft-50ft

Overall

19499

Females

7536

F18-39

7536

20M→21M

20.0 - 21.0 mi

Top 69%
×8
+106ft-24ft

Overall

19928

Females

7814

F18-39

7814

21M→35K

21.0 - 21.8 mi

Top 58%
×7
+17ft-86ft

Overall

16943

Females

6297

F18-39

6297

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19873

Females

7920

F18-39

7920

23M→24M

23.0 - 24.0 mi

Top 62%
×6
+12ft-82ft

Overall

17928

Females

6951

F18-39

6951

24M→40K

24.0 - 24.9 mi

Top 82%
×1
+6ft-20ft

Overall

23711

Females

9976

F18-39

9976

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1
+13ft-16ft

Overall

16779

Females

6385

F18-39

6385

25.2M→FINISH

25.2 - 26.2 mi

Top 65%
×2
+22ft-21ft

Overall

18846

Females

7478

F18-39

7478

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
877
Passed By
2109
Net Change
-3569
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13785
5K → 10K137200-465#13785#14250
10K → 15K44200-909#14250#15159
15K → 20K171200-29#15159#15188
20K → HALF4526+19#15188#15169
HALF → 25K46200-478#15169#15647
25K → 30K87200-475#15647#16122
30K → 20M37200-285#16122#16407
20M → 21M38200-238#16407#16645
21M → 35K7044+26#16645#16619
35K → 23M47200-220#16619#16839
23M → 24M6397-34#16839#16873
24M → 40K10200-421#16873#17294
40K → 25.2M4218+24#17294#17270
25.2M → FINISH40124-84#17270#17354
TOTALS8772109-3569
📊

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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing