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BOSTON MARATHON 2025

Jianqin Tong

Bib: 16564•F

NY

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:50
Rank: #20697
Start → 5K
26:50 | 8:38/mi
10K· 6.21 mi
55:30
Rank: #22122 (-1425)
5K → 10K
28:40 | 9:14/mi
15K· 9.32 mi
1:24:20
Rank: #22490 (-368)
10K → 15K
28:50 | 9:17/mi
20K· 12.43 mi
1:53:57
Rank: #22657 (-167)
15K → 20K
29:37 | 9:32/mi
Half· 13.11 mi
2:00:23
Rank: #22700 (-43)
20K → Half
6:26 | 9:26/mi
25K· 15.53 mi
2:24:06
Rank: #22707 (-7)
Half → 25K
23:43 | 9:47/mi
30K· 18.64 mi
2:55:25
Rank: #22528 (+179)
25K → 30K
31:19 | 10:05/mi
20M
3:09:20
Rank: #22453 (+75)
30K → 20M
13:55 | 10:14/mi
21M
3:20:08
Rank: #22345 (+108)
20M → 21M
10:48 | 10:48/mi
35K· 21.75 mi
3:27:29
Rank: #22310 (+35)
21M → 35K
7:21 | 9:49/mi
23M
3:39:51
Rank: #22171 (+139)
35K → 23M
12:22 | 9:53/mi
24M
3:49:25
Rank: #22056 (+115)
23M → 24M
9:34 | 9:34/mi
40K· 24.85 mi
3:57:51
Rank: #21963 (+93)
24M → 40K
8:26 | 9:52/mi
25.2M
4:01:39
Rank: #21941 (+22)
40K → 25.2M
3:48 | 11:01/mi
Finish· 26.22 mi
4:10:47
Rank: #21827 (+114)
25.2M → Finish
9:08 | 8:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:23
Pace9:11 /mi
2nd Half
Distance13.11 mi
Time2:10:24
Pace9:57 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:1226:508:3826:50
8:38
-
10K
6.21 mi11:28:5255:308:5628:40
9:14
+0:36
15K
9.32 mi11:57:421:24:209:0328:50
9:17
+0:03
20K
12.43 mi12:27:191:53:579:1029:37
9:32
+0:15
Half
13.11 mi12:33:452:00:239:116:26
9:26
-0:06
25K
15.53 mi12:57:282:24:069:1723:43
9:47
+0:21
30K
18.64 mi13:28:472:55:259:2531:19
10:05
+0:18
20M
20.00 mi13:42:423:09:209:2813:55
10:14
+0:09
21M
21.00 mi13:53:303:20:089:3210:48
10:48
+0:34
35K
21.75 mi14:00:513:27:299:327:21
9:49
-0:59
23M
23.00 mi14:13:133:39:519:3412:22
9:53
+0:04
24M
24.00 mi14:22:473:49:259:349:34
9:34
-0:19
40K
24.85 mi14:31:133:57:519:348:26
9:52
+0:18
25.2M
25.20 mi14:35:014:01:399:353:48
11:01
+1:09
Finish
26.22 mi14:44:094:10:479:349:08
8:58
-2:03

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

8:38 /mi

Average Pace

9:34 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:54

40% of race

Time at Steady Pace

2:02:22

49% of race

Time at Slower Pace

28:31

11% of race

Average Pace: 9:34 /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 mi11:00:1226:508:3826:50
8:38
#20697
10K
6.21 mi11:28:5255:308:5628:40
9:14
#22122
15K
9.32 mi11:57:421:24:209:0328:50
9:17
#22490
20K
12.43 mi12:27:191:53:579:1029:37
9:32
#22657
Half
13.11 mi12:33:452:00:239:116:26
9:26
#22700
25K
15.53 mi12:57:282:24:069:1723:43
9:47
#22707
30K
18.64 mi13:28:472:55:259:2531:19
10:05
#22528
20M
20.00 mi13:42:423:09:209:2813:55
10:14
#22453
21M
21.00 mi13:53:303:20:089:3210:48
10:48
#22345
35K
21.75 mi14:00:513:27:299:327:21
9:49
#22310
23M
23.00 mi14:13:133:39:519:3412:22
9:53
#22171
24M
24.00 mi14:22:473:49:259:349:34
9:34
#22056
40K
24.85 mi14:31:133:57:519:348:26
9:52
#21963
25.2M
25.20 mi14:35:014:01:399:353:48
11:01
#21941
Finish
26.22 mi14:44:094:10:479:349:08
8:58
#21827
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi206977913791323151(Top 82%)9180(Top 75%)9180(Top 924%)
10K6.21 mi3.10 mi22122-14258683-7708683-77023302(Top 82%)9296(Top 76%)9296(Top 935%)
15K9.32 mi3.11 mi22490-3688853-1708853-17023151(Top 82%)9180(Top 75%)9180(Top 924%)
20K12.43 mi3.11 mi22657-1678934-818934-8123005(Top 81%)9149(Top 75%)9149(Top 920%)
Half13.11 mi0.68 mi22700-438956-228956-2223358(Top 82%)9344(Top 76%)9344(Top 940%)
25K15.53 mi2.42 mi22707-78979-238979-2322724(Top 80%)9045(Top 74%)9045(Top 910%)
30K18.64 mi3.11 mi22528+1798925+548925+5421831(Top 77%)8689(Top 71%)8689(Top 874%)
20M20.00 mi1.36 mi22453+758903+228903+2221697(Top 76%)8733(Top 71%)8733(Top 879%)
21M21.00 mi1.00 mi22345+1088858+458858+4520853(Top 73%)8377(Top 69%)8377(Top 843%)
35K21.75 mi0.75 mi22310+358857+18857+121414(Top 75%)8729(Top 71%)8729(Top 878%)
23M23.00 mi1.25 mi22171+1398816+418816+4120091(Top 71%)8103(Top 66%)8103(Top 815%)
24M24.00 mi1.00 mi22056+1158768+488768+4819884(Top 70%)8028(Top 66%)8028(Top 808%)
40K24.85 mi0.85 mi21963+938735+338735+3320025(Top 71%)8179(Top 67%)8179(Top 823%)
25.2M25.20 mi0.35 mi21941+228731+48731+420748(Top 73%)8532(Top 70%)8532(Top 858%)
Finish26.22 mi1.02 mi21827+1148689+428689+4218886(Top 66%)7546(Top 62%)7546(Top 759%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

23151

Females

9180

F55-59

9180

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

23302

Females

9296

F55-59

9296

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

23151

Females

9180

F55-59

9180

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

23005

Females

9149

F55-59

9149

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

23358

Females

9344

F55-59

9344

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22724

Females

9045

F55-59

9045

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

21831

Females

8689

F55-59

8689

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21697

Females

8733

F55-59

8733

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

20853

Females

8377

F55-59

8377

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

21414

Females

8729

F55-59

8729

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

20091

Females

8103

F55-59

8103

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19884

Females

8028

F55-59

8028

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20025

Females

8179

F55-59

8179

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20748

Females

8532

F55-59

8532

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18886

Females

7546

F55-59

7546

Passing Analysis

Category:
Athletes Passed
1482
Passed By
2612
Net Change
-1130
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20697
5K → 10K251450-1425#20697#22122
10K → 15K84452-368#22122#22490
15K → 20K120287-167#22490#22657
20K → Half1962-43#22657#22700
Half → 25K143150-7#22700#22707
25K → 30K26182+179#22707#22528
30K → 20M11035+75#22528#22453
20M → 21M13224+108#22453#22345
21M → 35K5621+35#22345#22310
35K → 23M15314+139#22310#22171
23M → 24M1205+115#22171#22056
24M → 40K1018+93#22056#21963
40K → 25.2M3513+22#21963#21941
25.2M → Finish1239+114#21941#21827
TOTALS14822612-1130
📊

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