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BOSTON MARATHON 2025

Yong Jiang

Bib: 18725•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:18/mi
25:47
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
51:17
↑ 79↓ 1380.4%
15K· 9.32 mi
8:13/mi
1:16:49
↑ 67↓ 78
20K· 12.43 mi
8:25/mi
1:42:57
↑ 106↓ 860.1%
Half· 13.11 mi
8:27/mi
1:48:43
↑ 19↓ 370.5%
25K· 15.53 mi
8:20/mi
2:08:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:35:21
↑ 181↓ 1480.2%
20M
8:39/mi
2:47:06
↑ 64↓ 500.2%
21M
8:53/mi
2:55:59
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
3:02:12
↑ 17↓ 861.7%
23M
8:45/mi
3:13:09
↑ 23↓ 630.6%
24M
8:38/mi
3:21:47
↓ 821.3%
40K· 24.85 mi
8:29/mi
3:29:02
↓ 200.3%
25.2M
9:05/mi
3:32:10
↑ 13↓ 160.2%
Finish· 26.22 mi
7:48/mi
3:40:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:43
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:51:24
Pace8:30 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5825:478:1825:47
8:18
-
10K
6.21 mi11:42:2851:178:1525:30
8:12
-0:06
15K
9.32 mi12:08:001:16:498:1425:32
8:13
+0:01
20K
12.43 mi12:34:081:42:578:1726:08
8:25
+0:12
Half
13.11 mi12:39:541:48:438:185:46
8:27
+0:02
25K
15.53 mi13:00:072:08:568:1820:13
8:20
-0:07
30K
18.64 mi13:26:322:35:218:2026:25
8:30
+0:10
20M
20.00 mi13:38:172:47:068:2111:45
8:39
+0:09
21M
21.00 mi13:47:102:55:598:238:53
8:53
+0:14
35K
21.75 mi13:53:233:02:128:236:13
8:19
-0:34
23M
23.00 mi14:04:203:13:098:2410:57
8:45
+0:26
24M
24.00 mi14:12:583:21:478:248:38
8:38
-0:07
40K
24.85 mi14:20:133:29:028:257:15
8:29
-0:09
25.2M
25.20 mi14:23:213:32:108:253:08
9:05
+0:36
Finish
26.22 mi14:31:183:40:078:247:57
7:48
-1:17

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

7:48 /mi

Average Pace

8:24 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:46

80% of race

Time at Steady Pace

43:21

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:24 /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 mi11:16:5825:478:1825:47
8:18
#18699
10K
6.21 mi11:42:2851:178:1525:30
8:12
#18316
15K
9.32 mi12:08:001:16:498:1425:32
8:13
#18041
20K
12.43 mi12:34:081:42:578:1726:08
8:25
#17900
Half
13.11 mi12:39:541:48:438:185:46
8:27
#17936
25K
15.53 mi13:00:072:08:568:1820:13
8:20
#17587
30K
18.64 mi13:26:322:35:218:2026:25
8:30
#17041
20M
20.00 mi13:38:172:47:068:2111:45
8:39
#16845
21M
21.00 mi13:47:102:55:598:238:53
8:53
#16584
35K
21.75 mi13:53:233:02:128:236:13
8:19
#16468
23M
23.00 mi14:04:203:13:098:2410:57
8:45
#16322
24M
24.00 mi14:12:583:21:478:248:38
8:38
#16248
40K
24.85 mi14:20:133:29:028:257:15
8:29
#16133
25.2M
25.20 mi14:23:213:32:108:253:08
9:05
#16064
Finish
26.22 mi14:31:183:40:078:247:57
7:48
#15896
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18699119021190217486(Top 62%)11429(Top 71%)11429(Top 694%)
10K6.21 mi3.10 mi18316+38311747+15511747+15517935(Top 63%)11628(Top 72%)11628(Top 706%)
15K9.32 mi3.11 mi18041+27511630+11711630+11717486(Top 62%)11429(Top 71%)11429(Top 694%)
20K12.43 mi3.11 mi17900+14111572+5811572+5817611(Top 62%)11441(Top 71%)11441(Top 694%)
Half13.11 mi0.68 mi17936-3611583-1111583-1118828(Top 66%)11953(Top 74%)11953(Top 725%)
25K15.53 mi2.42 mi17587+34911426+15711426+15716154(Top 57%)10707(Top 66%)10707(Top 650%)
30K18.64 mi3.11 mi17041+54611147+27911147+27914762(Top 52%)9952(Top 62%)9952(Top 604%)
20M20.00 mi1.36 mi16845+19611049+9811049+9814697(Top 52%)9782(Top 61%)9782(Top 594%)
21M21.00 mi1.00 mi16584+26110908+14110908+14112821(Top 45%)8762(Top 54%)8762(Top 532%)
35K21.75 mi0.75 mi16468+11610837+7110837+7114287(Top 50%)9417(Top 58%)9417(Top 571%)
23M23.00 mi1.25 mi16322+14610749+8810749+8814792(Top 52%)9536(Top 59%)9536(Top 579%)
24M24.00 mi1.00 mi16248+7410685+6410685+6415340(Top 54%)9735(Top 60%)9735(Top 591%)
40K24.85 mi0.85 mi16133+11510612+7310612+7313293(Top 47%)8668(Top 54%)8668(Top 526%)
25.2M25.20 mi0.35 mi16064+6910570+4210570+4212271(Top 43%)8154(Top 51%)8154(Top 495%)
Finish26.22 mi1.02 mi15896+16810473+9710473+9711450(Top 40%)7745(Top 48%)7745(Top 470%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17486

Males

11429

M55-59

11429

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

17935

Males

11628

M55-59

11628

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17486

Males

11429

M55-59

11429

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

17611

Males

11441

M55-59

11441

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18828

Males

11953

M55-59

11953

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16154

Males

10707

M55-59

10707

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

14762

Males

9952

M55-59

9952

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

14697

Males

9782

M55-59

9782

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12821

Males

8762

M55-59

8762

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14287

Males

9417

M55-59

9417

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

14792

Males

9536

M55-59

9536

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15340

Males

9735

M55-59

9735

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13293

Males

8668

M55-59

8668

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12271

Males

8154

M55-59

8154

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11450

Males

7745

M55-59

7745

Passing Analysis

Category:
Athletes Passed
3355
Passed By
552
Net Change
+2803
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18699
5K → 10K506123+383#18699#18316
10K → 15K34671+275#18316#18041
15K → 20K255114+141#18041#17900
20K → Half2460-36#17900#17936
Half → 25K36617+349#17936#17587
25K → 30K56418+546#17587#17041
30K → 20M2059+196#17041#16845
20M → 21M27211+261#16845#16584
21M → 35K1248+116#16584#16468
35K → 23M18842+146#16468#16322
23M → 24M11743+74#16322#16248
24M → 40K13419+115#16248#16133
40K → 25.2M778+69#16133#16064
25.2M → Finish1779+168#16064#15896
TOTALS3355552+2803
📊

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