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BOSTON MARATHON 2025

Xinsheng Peng

Bib: 24389•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M70-74)
#0 / 228
Top 6%
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
8:07/mi
25:12
↑ 97↓ 3451.5%
10K· 6.21 mi
7:53/mi
49:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:14:03
↑ 67↓ 78
20K· 12.43 mi
8:12/mi
1:39:32
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:44:57
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:04:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:53/mi
2:32:32
↑ 181↓ 1480.2%
20M
9:07/mi
2:44:55
↑ 64↓ 500.2%
21M
9:35/mi
2:54:30
↑ 106↓ 241.6%
35K· 21.75 mi
8:59/mi
3:01:13
↑ 17↓ 861.7%
23M
9:05/mi
3:12:36
↑ 23↓ 630.6%
24M
9:07/mi
3:21:43
↓ 821.3%
40K· 24.85 mi
9:42/mi
3:30:01
↓ 200.3%
25.2M
10:18/mi
3:33:34
↑ 13↓ 160.2%
Finish· 26.22 mi
9:07/mi
3:42:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:57
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:57:54
Pace9:00 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4025:128:0725:12
8:07
-
10K
6.21 mi11:47:0849:408:0024:28
7:53
-0:14
15K
9.32 mi12:11:311:14:037:5724:23
7:51
-0:02
20K
12.43 mi12:37:001:39:328:0125:29
8:12
+0:21
Half
13.11 mi12:42:251:44:578:005:25
7:56
-0:16
25K
15.53 mi13:02:242:04:568:0319:59
8:15
+0:19
30K
18.64 mi13:30:002:32:328:1127:36
8:53
+0:38
20M
20.00 mi13:42:232:44:558:1512:23
9:07
+0:14
21M
21.00 mi13:51:582:54:308:199:35
9:35
+0:28
35K
21.75 mi13:58:413:01:138:206:43
8:59
-0:36
23M
23.00 mi14:10:043:12:368:2211:23
9:05
+0:06
24M
24.00 mi14:19:113:21:438:249:07
9:07
+0:02
40K
24.85 mi14:27:293:30:018:278:18
9:42
+0:35
25.2M
25.20 mi14:31:023:33:348:283:33
10:18
+0:36
Finish
26.22 mi14:40:193:42:518:309:17
9:07
-1:11

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

7:51 /mi

Average Pace

8:30 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:56

56% of race

Time at Steady Pace

1:16:29

34% of race

Time at Slower Pace

21:26

10% of race

Average Pace: 8:30 /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 mi11:22:4025:128:0725:12
8:07
#17422
10K
6.21 mi11:47:0849:408:0024:28
7:53
#16449
15K
9.32 mi12:11:311:14:037:5724:23
7:51
#15866
20K
12.43 mi12:37:001:39:328:0125:29
8:12
#15999
Half
13.11 mi12:42:251:44:578:005:25
7:56
#15961
25K
15.53 mi13:02:242:04:568:0319:59
8:15
#15901
30K
18.64 mi13:30:002:32:328:1127:36
8:53
#16109
20M
20.00 mi13:42:232:44:558:1512:23
9:07
#16173
21M
21.00 mi13:51:582:54:308:199:35
9:35
#16139
35K
21.75 mi13:58:413:01:138:206:43
8:59
#16190
23M
23.00 mi14:10:043:12:368:2211:23
9:05
#16170
24M
24.00 mi14:19:113:21:438:249:07
9:07
#16230
40K
24.85 mi14:27:293:30:018:278:18
9:42
#16392
25.2M
25.20 mi14:31:023:33:348:283:33
10:18
#16446
Finish
26.22 mi14:40:193:42:518:309:17
9:07
#16584
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi17422113821138214789(Top 52%)10282(Top 64%)10282(Top 4510%)
10K6.21 mi3.10 mi16449+97310992+39010992+39015476(Top 54%)10609(Top 66%)10609(Top 4653%)
15K9.32 mi3.11 mi15866+58310764+22810764+22814789(Top 52%)10282(Top 64%)10282(Top 4510%)
20K12.43 mi3.11 mi15999-13310804-4010804-4016314(Top 57%)10875(Top 68%)10875(Top 4770%)
Half13.11 mi0.68 mi15961+3810785+1910785+1915386(Top 54%)10523(Top 65%)10523(Top 4615%)
25K15.53 mi2.42 mi15901+6010744+4110744+4115566(Top 55%)10465(Top 65%)10465(Top 4590%)
30K18.64 mi3.11 mi16109-20810772-2810772-2817058(Top 60%)10955(Top 68%)10955(Top 4805%)
20M20.00 mi1.36 mi16173-6410757+1510757+1517354(Top 61%)10963(Top 68%)10963(Top 4808%)
21M21.00 mi1.00 mi16139+3410719+3810719+3816440(Top 58%)10448(Top 65%)10448(Top 4582%)
35K21.75 mi0.75 mi16190-5110717+210717+218103(Top 64%)11093(Top 69%)11093(Top 4865%)
23M23.00 mi1.25 mi16170+2010682+3510682+3516756(Top 59%)10405(Top 65%)10405(Top 4564%)
24M24.00 mi1.00 mi16230-6010677+510677+517950(Top 63%)10896(Top 68%)10896(Top 4779%)
40K24.85 mi0.85 mi16392-16210719-4210719-4219486(Top 69%)11549(Top 72%)11549(Top 5065%)
25.2M25.20 mi0.35 mi16446-5410739-2010739-2018224(Top 64%)10917(Top 68%)10917(Top 4788%)
Finish26.22 mi1.02 mi16584-13810764-2510764-2519543(Top 69%)11600(Top 72%)11600(Top 5088%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

14789

Males

10282

M70-74

10282

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

15476

Males

10609

M70-74

10609

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

14789

Males

10282

M70-74

10282

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16314

Males

10875

M70-74

10875

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15386

Males

10523

M70-74

10523

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15566

Males

10465

M70-74

10465

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

17058

Males

10955

M70-74

10955

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17354

Males

10963

M70-74

10963

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16440

Males

10448

M70-74

10448

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18103

Males

11093

M70-74

11093

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16756

Males

10405

M70-74

10405

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

17950

Males

10896

M70-74

10896

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19486

Males

11549

M70-74

11549

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18224

Males

10917

M70-74

10917

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19543

Males

11600

M70-74

11600

Passing Analysis

Category:
Athletes Passed
2715
Passed By
1877
Net Change
+838
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17422
5K → 10K102148+973#17422#16449
10K → 15K60724+583#16449#15866
15K → 20K154287-133#15866#15999
20K → Half5719+38#15999#15961
Half → 25K198138+60#15961#15901
25K → 30K160368-208#15901#16109
30K → 20M96160-64#16109#16173
20M → 21M11379+34#16173#16139
21M → 35K4697-51#16139#16190
35K → 23M11797+20#16190#16170
23M → 24M58118-60#16170#16230
24M → 40K25187-162#16230#16392
40K → 25.2M1670-54#16392#16446
25.2M → Finish47185-138#16446#16584
TOTALS27151877+838
📊

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