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BOSTON MARATHON 2025

Anna Chipokas

Bib: 16433•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 50%
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
24:22
Rank: #15222
Start → 5K
24:22 | 7:51/mi
10K· 6.21 mi
50:09
Rank: #17049 (-1827)
5K → 10K
25:47 | 8:18/mi
15K· 9.32 mi
1:16:30
Rank: #17806 (-757)
10K → 15K
26:21 | 8:29/mi
20K· 12.43 mi
1:42:57
Rank: #17903 (-97)
15K → 20K
26:27 | 8:31/mi
Half· 13.11 mi
1:48:28
Rank: #17825 (+78)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:09:22
Rank: #17768 (+57)
Half → 25K
20:54 | 8:37/mi
30K· 18.64 mi
2:37:34
Rank: #17806 (-38)
25K → 30K
28:12 | 9:05/mi
20M
2:49:50
Rank: #17724 (+82)
30K → 20M
12:16 | 9:02/mi
21M
2:59:27
Rank: #17664 (+60)
20M → 21M
9:37 | 9:37/mi
35K· 21.75 mi
3:06:12
Rank: #17682 (-18)
21M → 35K
6:45 | 9:01/mi
23M
3:17:46
Rank: #17656 (+26)
35K → 23M
11:34 | 9:14/mi
24M
3:26:24
Rank: #17535 (+121)
23M → 24M
8:38 | 8:38/mi
40K· 24.85 mi
3:33:41
Rank: #17393 (+142)
24M → 40K
7:17 | 8:31/mi
25.2M
3:36:57
Rank: #17337 (+56)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:44:51
Rank: #17100 (+237)
25.2M → Finish
7:54 | 7:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:28
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:56:23
Pace8:53 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:5724:227:5124:22
7:51
-
10K
6.21 mi11:22:4450:098:0425:47
8:18
+0:27
15K
9.32 mi11:49:051:16:308:1226:21
8:29
+0:11
20K
12.43 mi12:15:321:42:578:1726:27
8:31
+0:02
Half
13.11 mi12:21:031:48:288:165:31
8:05
-0:26
25K
15.53 mi12:41:572:09:228:2020:54
8:37
+0:32
30K
18.64 mi13:10:092:37:348:2728:12
9:05
+0:28
20M
20.00 mi13:22:252:49:508:2912:16
9:02
-0:03
21M
21.00 mi13:32:022:59:278:339:37
9:37
+0:35
35K
21.75 mi13:38:473:06:128:346:45
9:01
-0:36
23M
23.00 mi13:50:213:17:468:3611:34
9:14
+0:13
24M
24.00 mi13:58:593:26:248:368:38
8:38
-0:36
40K
24.85 mi14:06:163:33:418:367:17
8:31
-0:07
25.2M
25.20 mi14:09:323:36:578:373:16
9:28
+0:57
Finish
26.22 mi14:17:263:44:518:357:54
7:45
-1:43

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

7:45 /mi

Average Pace

8:35 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:34

28% of race

Time at Steady Pace

1:29:37

40% of race

Time at Slower Pace

1:11:40

32% of race

Average Pace: 8:35 /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 mi10:56:5724:227:5124:22
7:51
#15222
10K
6.21 mi11:22:4450:098:0425:47
8:18
#17049
15K
9.32 mi11:49:051:16:308:1226:21
8:29
#17806
20K
12.43 mi12:15:321:42:578:1726:27
8:31
#17903
Half
13.11 mi12:21:031:48:288:165:31
8:05
#17825
25K
15.53 mi12:41:572:09:228:2020:54
8:37
#17768
30K
18.64 mi13:10:092:37:348:2728:12
9:05
#17806
20M
20.00 mi13:22:252:49:508:2912:16
9:02
#17724
21M
21.00 mi13:32:022:59:278:339:37
9:37
#17664
35K
21.75 mi13:38:473:06:128:346:45
9:01
#17682
23M
23.00 mi13:50:213:17:468:3611:34
9:14
#17656
24M
24.00 mi13:58:593:26:248:368:38
8:38
#17535
40K
24.85 mi14:06:163:33:418:367:17
8:31
#17393
25.2M
25.20 mi14:09:323:36:578:373:16
9:28
#17337
Finish
26.22 mi14:17:263:44:518:357:54
7:45
#17100
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi152224669466919208(Top 68%)7006(Top 57%)7006(Top 128%)
10K6.21 mi3.10 mi17049-18275756-10875756-108718558(Top 65%)6627(Top 54%)6627(Top 121%)
15K9.32 mi3.11 mi17806-7576210-4546210-45419208(Top 68%)7006(Top 57%)7006(Top 128%)
20K12.43 mi3.11 mi17903-976279-696279-6918341(Top 65%)6529(Top 53%)6529(Top 119%)
Half13.11 mi0.68 mi17825+786245+346245+3416590(Top 58%)5536(Top 45%)5536(Top 101%)
25K15.53 mi2.42 mi17768+576216+296216+2917930(Top 63%)6388(Top 52%)6388(Top 117%)
30K18.64 mi3.11 mi17806-386289-736289-7318076(Top 64%)6615(Top 54%)6615(Top 121%)
20M20.00 mi1.36 mi17724+826277+126277+1216949(Top 60%)6108(Top 50%)6108(Top 112%)
21M21.00 mi1.00 mi17664+606251+266251+2616649(Top 59%)6059(Top 50%)6059(Top 111%)
35K21.75 mi0.75 mi17682-186280-296280-2918351(Top 65%)7094(Top 58%)7094(Top 130%)
23M23.00 mi1.25 mi17656+266306-266306-2617516(Top 62%)6735(Top 55%)6735(Top 123%)
24M24.00 mi1.00 mi17535+1216268+386268+3815379(Top 54%)5590(Top 46%)5590(Top 102%)
40K24.85 mi0.85 mi17393+1426211+576211+5713608(Top 48%)4774(Top 39%)4774(Top 87%)
25.2M25.20 mi0.35 mi17337+566186+256186+2514530(Top 51%)5319(Top 43%)5319(Top 97%)
Finish26.22 mi1.02 mi17100+2376073+1136073+11311150(Top 39%)3548(Top 29%)3548(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

19208

Females

7006

F18-39

7006

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18558

Females

6627

F18-39

6627

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

19208

Females

7006

F18-39

7006

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

18341

Females

6529

F18-39

6529

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

16590

Females

5536

F18-39

5536

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17930

Females

6388

F18-39

6388

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18076

Females

6615

F18-39

6615

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16949

Females

6108

F18-39

6108

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16649

Females

6059

F18-39

6059

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18351

Females

7094

F18-39

7094

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17516

Females

6735

F18-39

6735

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

15379

Females

5590

F18-39

5590

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13608

Females

4774

F18-39

4774

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14530

Females

5319

F18-39

5319

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

11150

Females

3548

F18-39

3548

Passing Analysis

Category:
Athletes Passed
1769
Passed By
3647
Net Change
-1878
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15222
5K → 10K231850-1827#15222#17049
10K → 15K48805-757#17049#17806
15K → 20K151248-97#17806#17903
20K → Half824+78#17903#17825
Half → 25K185128+57#17825#17768
25K → 30K213251-38#17768#17806
30K → 20M15674+82#17806#17724
20M → 21M12969+60#17724#17664
21M → 35K5573-18#17664#17682
35K → 23M12397+26#17682#17656
23M → 24M14625+121#17656#17535
24M → 40K15311+142#17535#17393
40K → 25.2M659+56#17393#17337
25.2M → Finish2403+237#17337#17100
TOTALS17693647-1878
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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