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BOSTON MARATHON 2025

Annika Walther

Bib: 16434•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 32%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:43
Rank: #16250
Start → 5K
7:57/mi
24:43 split
10K· 6.21 mi
48:49
Rank: #15304 (+946)
5K → 10K
7:45/mi
24:06 split
15K· 9.32 mi
1:12:42
Rank: #14631 (+673)
10K → 15K
7:41/mi
23:53 split
20K· 12.43 mi
1:36:30
Rank: #13949 (+682)
15K → 20K
7:40/mi
23:48 split
Half· 13.11 mi
1:41:39
Rank: #13841 (+108)
20K → Half
7:33/mi
5:09 split
25K· 15.53 mi
2:00:08
Rank: #13297 (+544)
Half → 25K
7:37/mi
18:29 split
30K· 18.64 mi
2:25:22
Rank: #13070 (+227)
25K → 30K
8:07/mi
25:14 split
20M
2:36:42
Rank: #13017 (+53)
30K → 20M
8:20/mi
11:20 split
21M
2:45:59
Rank: #13123 (-106)
20M → 21M
9:17/mi
9:17 split
35K· 21.75 mi
2:52:25
Rank: #13231 (-108)
21M → 35K
8:36/mi
6:26 split
23M
3:03:12
Rank: #13271 (-40)
35K → 23M
8:37/mi
10:47 split
24M
3:11:42
Rank: #13309 (-38)
23M → 24M
8:30/mi
8:30 split
40K· 24.85 mi
3:19:09
Rank: #13349 (-40)
24M → 40K
8:43/mi
7:27 split
25.2M
3:22:35
Rank: #13415 (-66)
40K → 25.2M
9:57/mi
3:26 split
Finish· 26.22 mi
3:30:34
Rank: #13357 (+58)
25.2M → Finish
7:50/mi
7:59 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:39
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:48:55
Pace8:19 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:5524:437:5724:43
7:57
-
10K
6.21 mi11:23:0148:497:5124:06
7:45
-0:12
15K
9.32 mi11:46:541:12:427:4823:53
7:41
-0:04
20K
12.43 mi12:10:421:36:307:4623:48
7:40
-0:01
Half
13.11 mi12:15:511:41:397:455:09
7:33
-0:07
25K
15.53 mi12:34:202:00:087:4418:29
7:37
+0:04
30K
18.64 mi12:59:342:25:227:4825:14
8:07
+0:30
20M
20.00 mi13:10:542:36:427:5011:20
8:20
+0:13
21M
21.00 mi13:20:112:45:597:549:17
9:17
+0:57
35K
21.75 mi13:26:372:52:257:566:26
8:36
-0:41
23M
23.00 mi13:37:243:03:127:5810:47
8:37
+0:01
24M
24.00 mi13:45:543:11:427:598:30
8:30
-0:07
40K
24.85 mi13:53:213:19:098:017:27
8:43
+0:13
25.2M
25.20 mi13:56:473:22:358:023:26
9:57
+1:14
Finish
26.22 mi14:04:463:30:348:027:59
7:50
-2:07

Checkpoints & Pacing

📈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

7:33 /mi

Average Pace

8:02 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:25

45% of race

Time at Steady Pace

1:09:16

33% of race

Time at Slower Pace

45:53

22% of race

Average Pace: 8:02 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:58:5524:437:5724:43
7:57
#16250
10K
6.21 mi11:23:0148:497:5124:06
7:45
#15304
15K
9.32 mi11:46:541:12:427:4823:53
7:41
#14631
20K
12.43 mi12:10:421:36:307:4623:48
7:40
#13949
Half
13.11 mi12:15:511:41:397:455:09
7:33
#13841
25K
15.53 mi12:34:202:00:087:4418:29
7:37
#13297
30K
18.64 mi12:59:342:25:227:4825:14
8:07
#13070
20M
20.00 mi13:10:542:36:427:5011:20
8:20
#13017
21M
21.00 mi13:20:112:45:597:549:17
9:17
#13123
35K
21.75 mi13:26:372:52:257:566:26
8:36
#13231
23M
23.00 mi13:37:243:03:127:5810:47
8:37
#13271
24M
24.00 mi13:45:543:11:427:598:30
8:30
#13309
40K
24.85 mi13:53:213:19:098:017:27
8:43
#13349
25.2M
25.20 mi13:56:473:22:358:023:26
9:57
#13415
Finish
26.22 mi14:04:463:30:348:027:59
7:50
#13357
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi162505295529513395(Top 47%)3681(Top 30%)3681(Top 67%)
10K6.21 mi3.10 mi15304+9464724+5714724+57114418(Top 51%)4200(Top 34%)4200(Top 77%)
15K9.32 mi3.11 mi14631+6734331+3934331+39313395(Top 47%)3681(Top 30%)3681(Top 67%)
20K12.43 mi3.11 mi13949+6823973+3583973+35812068(Top 42%)3039(Top 25%)3039(Top 56%)
Half13.11 mi0.68 mi13841+1083932+413932+4112229(Top 43%)3090(Top 25%)3090(Top 57%)
25K15.53 mi2.42 mi13297+5443652+2803652+28010970(Top 39%)2575(Top 21%)2575(Top 47%)
30K18.64 mi3.11 mi13070+2273594+583594+5812266(Top 43%)3428(Top 28%)3428(Top 63%)
20M20.00 mi1.36 mi13017+533590+43590+412786(Top 45%)3852(Top 32%)3852(Top 70%)
21M21.00 mi1.00 mi13123-1063675-853675-8515075(Top 53%)5208(Top 43%)5208(Top 95%)
35K21.75 mi0.75 mi13231-1083756-813756-8116065(Top 57%)5808(Top 47%)5808(Top 106%)
23M23.00 mi1.25 mi13271-403825-693825-6914023(Top 49%)4801(Top 39%)4801(Top 88%)
24M24.00 mi1.00 mi13309-383870-453870-4514509(Top 51%)5094(Top 42%)5094(Top 93%)
40K24.85 mi0.85 mi13349-403920-503920-5014702(Top 52%)5356(Top 44%)5356(Top 98%)
25.2M25.20 mi0.35 mi13415-663963-433963-4316830(Top 59%)6484(Top 53%)6484(Top 119%)
Finish26.22 mi1.02 mi13357+583959+43959+411711(Top 41%)3802(Top 31%)3802(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

13395

Females

3681

F18-39

3681

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14418

Females

4200

F18-39

4200

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

13395

Females

3681

F18-39

3681

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

12068

Females

3039

F18-39

3039

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

12229

Females

3090

F18-39

3090

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10970

Females

2575

F18-39

2575

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12266

Females

3428

F18-39

3428

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12786

Females

3852

F18-39

3852

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

15075

Females

5208

F18-39

5208

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16065

Females

5808

F18-39

5808

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

14023

Females

4801

F18-39

4801

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

14509

Females

5094

F18-39

5094

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14702

Females

5356

F18-39

5356

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16830

Females

6484

F18-39

6484

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11711

Females

3802

F18-39

3802

Passing Analysis

Category:
Athletes Passed
3974
Passed By
1081
Net Change
+2893
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16250
5K → 10K99751+946#16250#15304
10K → 15K69219+673#15304#14631
15K → 20K6853+682#14631#13949
20K → Half1146+108#13949#13841
Half → 25K5506+544#13841#13297
25K → 30K353126+227#13297#13070
30K → 20M14087+53#13070#13017
20M → 21M77183-106#13017#13123
21M → 35K27135-108#13123#13231
35K → 23M98138-40#13231#13271
23M → 24M5997-38#13271#13309
24M → 40K65105-40#13309#13349
40K → 25.2M2692-66#13349#13415
25.2M → Finish9133+58#13415#13357
TOTALS39741081+2893
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing