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BOSTON MARATHON 2025

Shunqi Yan

Bib: 19708•M

CA

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
8:15/mi
25:38
↑ 97↓ 3451.5%
10K· 6.21 mi
8:09/mi
50:56
↑ 79↓ 1380.4%
15K· 9.32 mi
8:14/mi
1:16:30
↑ 67↓ 78
20K· 12.43 mi
8:19/mi
1:42:19
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:47:49
↑ 19↓ 370.5%
25K· 15.53 mi
8:24/mi
2:08:11
↑ 66↓ 880.2%
30K· 18.64 mi
8:34/mi
2:34:49
↑ 181↓ 1480.2%
20M
8:41/mi
2:46:37
↑ 64↓ 500.2%
21M
8:59/mi
2:55:36
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
3:01:44
↑ 17↓ 861.7%
23M
8:32/mi
3:12:25
↑ 23↓ 630.6%
24M
8:25/mi
3:20:50
↓ 821.3%
40K· 24.85 mi
8:39/mi
3:28:14
↓ 200.3%
25.2M
9:14/mi
3:31:25
↑ 13↓ 160.2%
Finish· 26.22 mi
8:16/mi
3:39:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:49
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:52:01
Pace8:33 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2325:388:1525:38
8:15
-
10K
6.21 mi11:42:4150:568:1225:18
8:09
-0:06
15K
9.32 mi12:08:151:16:308:1225:34
8:14
+0:05
20K
12.43 mi12:34:041:42:198:1425:49
8:19
+0:05
Half
13.11 mi12:39:341:47:498:135:30
8:04
-0:15
25K
15.53 mi12:59:562:08:118:1520:22
8:24
+0:20
30K
18.64 mi13:26:342:34:498:1826:38
8:34
+0:10
20M
20.00 mi13:38:222:46:378:2011:48
8:41
+0:07
21M
21.00 mi13:47:212:55:368:228:59
8:59
+0:18
35K
21.75 mi13:53:293:01:448:216:08
8:12
-0:47
23M
23.00 mi14:04:103:12:258:2210:41
8:32
+0:20
24M
24.00 mi14:12:353:20:508:228:25
8:25
-0:07
40K
24.85 mi14:19:593:28:148:237:24
8:39
+0:14
25.2M
25.20 mi14:23:103:31:258:233:11
9:14
+0:35
Finish
26.22 mi14:31:353:39:508:238:25
8:16
-0:58

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

8:04 /mi

Average Pace

8:23 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:40

94% of race

Time at Steady Pace

12:10

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:23 /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 mi11:17:2325:388:1525:38
8:15
#18412
10K
6.21 mi11:42:4150:568:1225:18
8:09
#17959
15K
9.32 mi12:08:151:16:308:1225:34
8:14
#17797
20K
12.43 mi12:34:041:42:198:1425:49
8:19
#17566
Half
13.11 mi12:39:341:47:498:135:30
8:04
#17494
25K
15.53 mi12:59:562:08:118:1520:22
8:24
#17280
30K
18.64 mi13:26:342:34:498:1826:38
8:34
#16861
20M
20.00 mi13:38:222:46:378:2011:48
8:41
#16704
21M
21.00 mi13:47:212:55:368:228:59
8:59
#16463
35K
21.75 mi13:53:293:01:448:216:08
8:12
#16324
23M
23.00 mi14:04:103:12:258:2210:41
8:32
#16113
24M
24.00 mi14:12:353:20:508:228:25
8:25
#16024
40K
24.85 mi14:19:593:28:148:237:24
8:39
#15926
25.2M
25.20 mi14:23:103:31:258:233:11
9:14
#15868
Finish
26.22 mi14:31:353:39:508:238:25
8:16
#15817
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18412117681176817571(Top 62%)11459(Top 71%)11459(Top 695%)
10K6.21 mi3.10 mi17959+45311604+16411604+16417483(Top 62%)11442(Top 71%)11442(Top 694%)
15K9.32 mi3.11 mi17797+16211540+6411540+6417571(Top 62%)11459(Top 71%)11459(Top 695%)
20K12.43 mi3.11 mi17566+23111438+10211438+10216977(Top 60%)11166(Top 69%)11166(Top 678%)
Half13.11 mi0.68 mi17494+7211411+2711411+2716320(Top 57%)10896(Top 68%)10896(Top 661%)
25K15.53 mi2.42 mi17280+21411296+11511296+11516566(Top 58%)10904(Top 68%)10904(Top 662%)
30K18.64 mi3.11 mi16861+41911080+21611080+21615217(Top 54%)10153(Top 63%)10153(Top 616%)
20M20.00 mi1.36 mi16704+15710990+9010990+9014931(Top 53%)9890(Top 61%)9890(Top 600%)
21M21.00 mi1.00 mi16463+24110849+14110849+14113393(Top 47%)9052(Top 56%)9052(Top 549%)
35K21.75 mi0.75 mi16324+13910779+7010779+7013612(Top 48%)9105(Top 57%)9105(Top 552%)
23M23.00 mi1.25 mi16113+21110649+13010649+13013514(Top 48%)8950(Top 56%)8950(Top 543%)
24M24.00 mi1.00 mi16024+8910587+6210587+6213984(Top 49%)9134(Top 57%)9134(Top 554%)
40K24.85 mi0.85 mi15926+9810522+6510522+6514363(Top 51%)9162(Top 57%)9162(Top 556%)
25.2M25.20 mi0.35 mi15868+5810480+4210480+4213071(Top 46%)8516(Top 53%)8516(Top 517%)
Finish26.22 mi1.02 mi15817+5110431+4910431+4914655(Top 52%)9327(Top 58%)9327(Top 566%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17571

Males

11459

M55-59

11459

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

17483

Males

11442

M55-59

11442

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17571

Males

11459

M55-59

11459

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16977

Males

11166

M55-59

11166

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16320

Males

10896

M55-59

10896

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16566

Males

10904

M55-59

10904

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

15217

Males

10153

M55-59

10153

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14931

Males

9890

M55-59

9890

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

13393

Males

9052

M55-59

9052

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13612

Males

9105

M55-59

9105

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13514

Males

8950

M55-59

8950

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13984

Males

9134

M55-59

9134

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14363

Males

9162

M55-59

9162

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13071

Males

8516

M55-59

8516

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14655

Males

9327

M55-59

9327

Passing Analysis

Category:
Athletes Passed
3152
Passed By
557
Net Change
+2595
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18412
5K → 10K565112+453#18412#17959
10K → 15K275113+162#17959#17797
15K → 20K30473+231#17797#17566
20K → Half797+72#17566#17494
Half → 25K27864+214#17494#17280
25K → 30K45738+419#17280#16861
30K → 20M19033+157#16861#16704
20M → 21M2509+241#16704#16463
21M → 35K1467+139#16463#16324
35K → 23M22514+211#16324#16113
23M → 24M11122+89#16113#16024
24M → 40K11618+98#16024#15926
40K → 25.2M646+58#15926#15868
25.2M → Finish9241+51#15868#15817
TOTALS3152557+2595
📊

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