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BOSTON MARATHON 2025

Jing Chen

Bib: 22446•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 45%
Masters (Masters Women)
#0 / 6759
Top 32%
Division (F55-59)
#0 / 994
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:05
Rank: #17183
Start → 5K
8:04/mi
25:05 split
10K· 6.21 mi
49:56
Rank: #16806 (+377)
5K → 10K
8:00/mi
24:51 split
15K· 9.32 mi
1:14:55
Rank: #16629 (+177)
10K → 15K
8:02/mi
24:59 split
20K· 12.43 mi
1:40:06
Rank: #16340 (+289)
15K → 20K
8:06/mi
25:11 split
Half· 13.11 mi
1:45:28
Rank: #16265 (+75)
20K → Half
7:52/mi
5:22 split
25K· 15.53 mi
2:05:36
Rank: #16210 (+55)
Half → 25K
8:18/mi
20:08 split
30K· 18.64 mi
2:33:05
Rank: #16295 (-85)
25K → 30K
8:51/mi
27:29 split
20M
2:45:23
Rank: #16307 (-12)
30K → 20M
9:03/mi
12:18 split
21M
2:55:20
Rank: #16381 (-74)
20M → 21M
9:57/mi
9:57 split
35K· 21.75 mi
3:02:07
Rank: #16446 (-65)
21M → 35K
9:04/mi
6:47 split
23M
3:13:38
Rank: #16456 (-10)
35K → 23M
9:12/mi
11:31 split
24M
3:22:11
Rank: #16376 (+80)
23M → 24M
8:33/mi
8:33 split
40K· 24.85 mi
3:29:30
Rank: #16265 (+111)
24M → 40K
8:33/mi
7:19 split
25.2M
3:32:47
Rank: #16237 (+28)
40K → 25.2M
9:31/mi
3:17 split
Finish· 26.22 mi
3:40:58
Rank: #16110 (+127)
25.2M → Finish
8:02/mi
8:11 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:28
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:55:30
Pace8:49 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1725:058:0425:05
8:04
-
10K
6.21 mi11:46:0849:568:0224:51
8:00
-0:04
15K
9.32 mi12:11:071:14:558:0224:59
8:02
+0:02
20K
12.43 mi12:36:181:40:068:0325:11
8:06
+0:04
Half
13.11 mi12:41:401:45:288:035:22
7:52
-0:14
25K
15.53 mi13:01:482:05:368:0520:08
8:18
+0:26
30K
18.64 mi13:29:172:33:058:1327:29
8:51
+0:33
20M
20.00 mi13:41:352:45:238:1612:18
9:03
+0:12
21M
21.00 mi13:51:322:55:208:219:57
9:57
+0:54
35K
21.75 mi13:58:193:02:078:226:47
9:04
-0:53
23M
23.00 mi14:09:503:13:388:2511:31
9:12
+0:08
24M
24.00 mi14:18:233:22:118:258:33
8:33
-0:39
40K
24.85 mi14:25:423:29:308:267:19
8:33
0:00
25.2M
25.20 mi14:28:593:32:478:273:17
9:31
+0:58
Finish
26.22 mi14:37:103:40:588:268:11
8:02
-1:29

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

7:52 /mi

Average Pace

8:26 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:39

51% of race

Time at Steady Pace

1:03:29

29% of race

Time at Slower Pace

43:50

20% of race

Average Pace: 8:26 /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 mi11:21:1725:058:0425:05
8:04
#17183
10K
6.21 mi11:46:0849:568:0224:51
8:00
#16806
15K
9.32 mi12:11:071:14:558:0224:59
8:02
#16629
20K
12.43 mi12:36:181:40:068:0325:11
8:06
#16340
Half
13.11 mi12:41:401:45:288:035:22
7:52
#16265
25K
15.53 mi13:01:482:05:368:0520:08
8:18
#16210
30K
18.64 mi13:29:172:33:058:1327:29
8:51
#16295
20M
20.00 mi13:41:352:45:238:1612:18
9:03
#16307
21M
21.00 mi13:51:322:55:208:219:57
9:57
#16381
35K
21.75 mi13:58:193:02:078:226:47
9:04
#16446
23M
23.00 mi14:09:503:13:388:2511:31
9:12
#16456
24M
24.00 mi14:18:233:22:118:258:33
8:33
#16376
40K
24.85 mi14:25:423:29:308:267:19
8:33
#16265
25.2M
25.20 mi14:28:593:32:478:273:17
9:31
#16237
Finish
26.22 mi14:37:103:40:588:268:11
8:02
#16110
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi171835844584416367(Top 58%)5355(Top 44%)5355(Top 539%)
10K6.21 mi3.10 mi16806+3775619+2255619+22516486(Top 58%)5416(Top 44%)5416(Top 545%)
15K9.32 mi3.11 mi16629+1775502+1175502+11716367(Top 58%)5355(Top 44%)5355(Top 539%)
20K12.43 mi3.11 mi16340+2895345+1575345+15715691(Top 55%)5036(Top 41%)5036(Top 507%)
Half13.11 mi0.68 mi16265+755314+315314+3114893(Top 52%)4571(Top 37%)4571(Top 460%)
25K15.53 mi2.42 mi16210+555286+285286+2815960(Top 56%)5292(Top 43%)5292(Top 532%)
30K18.64 mi3.11 mi16295-855412-1265412-12616871(Top 59%)5963(Top 49%)5963(Top 600%)
20M20.00 mi1.36 mi16307-125441-295441-2917076(Top 60%)6178(Top 51%)6178(Top 622%)
21M21.00 mi1.00 mi16381-745515-745515-7418114(Top 64%)6851(Top 56%)6851(Top 689%)
35K21.75 mi0.75 mi16446-655570-555570-5518578(Top 65%)7232(Top 59%)7232(Top 728%)
23M23.00 mi1.25 mi16456-105603-335603-3317323(Top 61%)6615(Top 54%)6615(Top 665%)
24M24.00 mi1.00 mi16376+805592+115592+1114849(Top 52%)5304(Top 43%)5304(Top 534%)
40K24.85 mi0.85 mi16265+1115552+405552+4013830(Top 49%)4878(Top 40%)4878(Top 491%)
25.2M25.20 mi0.35 mi16237+285544+85544+814751(Top 52%)5421(Top 44%)5421(Top 545%)
Finish26.22 mi1.02 mi16110+1275493+515493+5113128(Top 46%)4516(Top 37%)4516(Top 454%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16367

Females

5355

F55-59

5355

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

16486

Females

5416

F55-59

5416

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16367

Females

5355

F55-59

5355

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15691

Females

5036

F55-59

5036

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

14893

Females

4571

F55-59

4571

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

15960

Females

5292

F55-59

5292

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16871

Females

5963

F55-59

5963

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

17076

Females

6178

F55-59

6178

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18114

Females

6851

F55-59

6851

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18578

Females

7232

F55-59

7232

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17323

Females

6615

F55-59

6615

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14849

Females

5304

F55-59

5304

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13830

Females

4878

F55-59

4878

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14751

Females

5421

F55-59

5421

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

13128

Females

4516

F55-59

4516

Passing Analysis

Category:
Athletes Passed
2440
Passed By
1367
Net Change
+1073
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17183
5K → 10K529152+377#17183#16806
10K → 15K297120+177#16806#16629
15K → 20K36677+289#16629#16340
20K → Half805+75#16340#16265
Half → 25K187132+55#16265#16210
25K → 30K201286-85#16210#16295
30K → 20M98110-12#16295#16307
20M → 21M81155-74#16307#16381
21M → 35K50115-65#16381#16446
35K → 23M114124-10#16446#16456
23M → 24M12141+80#16456#16376
24M → 40K13221+111#16376#16265
40K → 25.2M4214+28#16265#16237
25.2M → Finish14215+127#16237#16110
TOTALS24401367+1073
📊

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