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BOSTON MARATHON 2025

Yeming Tong

Bib: 12383•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 43%
Division (M45-49)
#0 / 2386
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
7:20/mi
22:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:19/mi
45:31
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:08:47
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:32:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:37:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:56:01
↑ 66↓ 880.2%
30K· 18.64 mi
8:05/mi
2:21:08
↑ 181↓ 1480.2%
20M
8:31/mi
2:32:42
↑ 64↓ 500.2%
21M
8:50/mi
2:41:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
2:47:32
↑ 17↓ 861.7%
23M
8:09/mi
2:57:44
↑ 23↓ 630.6%
24M
8:02/mi
3:05:46
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:12:42
↓ 200.3%
25.2M
9:14/mi
3:15:53
↑ 13↓ 160.2%
Finish· 26.22 mi
8:54/mi
3:24:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:38
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:47:19
Pace8:11 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0822:467:2022:46
7:20
-
10K
6.21 mi11:13:5345:317:2022:45
7:19
-0:01
15K
9.32 mi11:37:091:08:477:2323:16
7:29
+0:10
20K
12.43 mi12:00:381:32:167:2523:29
7:34
+0:05
Half
13.11 mi12:06:001:37:387:275:22
7:52
+0:18
25K
15.53 mi12:24:231:56:017:2818:23
7:35
-0:17
30K
18.64 mi12:49:302:21:087:3425:07
8:05
+0:30
20M
20.00 mi13:01:042:32:427:3811:34
8:31
+0:26
21M
21.00 mi13:09:542:41:327:428:50
8:50
+0:19
35K
21.75 mi13:15:542:47:327:426:00
8:01
-0:49
23M
23.00 mi13:26:062:57:447:4410:12
8:09
+0:08
24M
24.00 mi13:34:083:05:467:448:02
8:02
-0:07
40K
24.85 mi13:41:043:12:427:456:56
8:07
+0:05
25.2M
25.20 mi13:44:153:15:537:463:11
9:14
+1:07
Finish
26.22 mi13:53:193:24:577:499:04
8:54
-0:20

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

7:19 /mi

Average Pace

7:49 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:39

54% of race

Time at Steady Pace

1:01:39

30% of race

Time at Slower Pace

32:39

16% of race

Average Pace: 7:49 /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 mi10:51:0822:467:2022:46
7:20
#10634
10K
6.21 mi11:13:5345:317:2022:45
7:19
#10545
15K
9.32 mi11:37:091:08:477:2323:16
7:29
#10879
20K
12.43 mi12:00:381:32:167:2523:29
7:34
#10969
Half
13.11 mi12:06:001:37:387:275:22
7:52
#11204
25K
15.53 mi12:24:231:56:017:2818:23
7:35
#11057
30K
18.64 mi12:49:302:21:087:3425:07
8:05
#11209
20M
20.00 mi13:01:042:32:427:3811:34
8:31
#11360
21M
21.00 mi13:09:542:41:327:428:50
8:50
#11390
35K
21.75 mi13:15:542:47:327:426:00
8:01
#11427
23M
23.00 mi13:26:062:57:447:4410:12
8:09
#11364
24M
24.00 mi13:34:083:05:467:448:02
8:02
#11333
40K
24.85 mi13:41:043:12:427:456:56
8:07
#11289
25.2M
25.20 mi13:44:153:15:537:463:11
9:14
#11310
Finish
26.22 mi13:53:193:24:577:499:04
8:54
#11666
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi106348506850611661(Top 41%)8907(Top 55%)8907(Top 373%)
10K6.21 mi3.10 mi10545+898445+618445+6110526(Top 37%)8426(Top 52%)8426(Top 353%)
15K9.32 mi3.11 mi10879-3348592-1478592-14711661(Top 41%)8907(Top 55%)8907(Top 373%)
20K12.43 mi3.11 mi10969-908617-258617-2511224(Top 40%)8603(Top 53%)8603(Top 361%)
Half13.11 mi0.68 mi11204-2358717-1008717-10014722(Top 52%)10197(Top 63%)10197(Top 427%)
25K15.53 mi2.42 mi11057+1478604+1138604+11310600(Top 37%)8202(Top 51%)8202(Top 344%)
30K18.64 mi3.11 mi11209-1528609-58609-511978(Top 42%)8665(Top 54%)8665(Top 363%)
20M20.00 mi1.36 mi11360-1518631-228631-2213839(Top 49%)9362(Top 58%)9362(Top 392%)
21M21.00 mi1.00 mi11390-308602+298602+2912480(Top 44%)8598(Top 53%)8598(Top 360%)
35K21.75 mi0.75 mi11427-378596+68596+612361(Top 44%)8496(Top 53%)8496(Top 356%)
23M23.00 mi1.25 mi11364+638521+758521+7511015(Top 39%)7760(Top 48%)7760(Top 325%)
24M24.00 mi1.00 mi11333+318474+478474+4711473(Top 40%)7894(Top 49%)7894(Top 331%)
40K24.85 mi0.85 mi11289+448420+548420+5410923(Top 38%)7533(Top 47%)7533(Top 316%)
25.2M25.20 mi0.35 mi11310-218401+198401+1913021(Top 46%)8466(Top 53%)8466(Top 355%)
Finish26.22 mi1.02 mi11666-3568546-1458546-14518486(Top 65%)11104(Top 69%)11104(Top 465%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11661

Males

8907

M45-49

8907

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10526

Males

8426

M45-49

8426

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11661

Males

8907

M45-49

8907

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11224

Males

8603

M45-49

8603

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14722

Males

10197

M45-49

10197

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10600

Males

8202

M45-49

8202

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11978

Males

8665

M45-49

8665

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13839

Males

9362

M45-49

9362

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12480

Males

8598

M45-49

8598

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

12361

Males

8496

M45-49

8496

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11015

Males

7760

M45-49

7760

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11473

Males

7894

M45-49

7894

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10923

Males

7533

M45-49

7533

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13021

Males

8466

M45-49

8466

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

18486

Males

11104

M45-49

11104

Passing Analysis

Category:
Athletes Passed
1529
Passed By
2561
Net Change
-1032
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10634
5K → 10K299210+89#10634#10545
10K → 15K82416-334#10545#10879
15K → 20K144234-90#10879#10969
20K → Half5240-235#10969#11204
Half → 25K22982+147#11204#11057
25K → 30K172324-152#11057#11209
30K → 20M80231-151#11209#11360
20M → 21M78108-30#11360#11390
21M → 35K5693-37#11390#11427
35K → 23M14178+63#11427#11364
23M → 24M9665+31#11364#11333
24M → 40K9349+44#11333#11289
40K → 25.2M3253-21#11289#11310
25.2M → Finish22378-356#11310#11666
TOTALS15292561-1032
📊

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