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BOSTON MARATHON 2025

Xiao Yang

Bib: 5856•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
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
10:19/mi
32:03
↑ 97↓ 3451.5%
10K· 6.21 mi
11:41/mi
1:08:22
↑ 79↓ 1380.4%
15K· 9.32 mi
11:39/mi
1:44:35
↑ 67↓ 78
20K· 12.43 mi
11:44/mi
2:21:03
↑ 106↓ 860.1%
Half· 13.11 mi
10:43/mi
2:28:22
↑ 19↓ 370.5%
25K· 15.53 mi
12:25/mi
2:58:28
↑ 66↓ 880.2%
30K· 18.64 mi
13:31/mi
3:40:27
↑ 181↓ 1480.2%
20M
12:53/mi
3:57:57
↑ 64↓ 500.2%
21M
14:19/mi
4:12:16
↑ 106↓ 241.6%
35K· 21.75 mi
12:54/mi
4:21:55
↑ 17↓ 861.7%
23M
13:30/mi
4:38:49
↑ 23↓ 630.6%
24M
13:30/mi
4:52:19
↓ 821.3%
40K· 24.85 mi
12:24/mi
5:02:55
↓ 200.3%
25.2M
14:18/mi
5:07:51
↑ 13↓ 160.2%
Finish· 26.22 mi
12:01/mi
5:20:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:22
Pace11:19 /mi
2nd Half
Distance13.11 mi
Time2:51:44
Pace13:06 /mi
📊Positive Split: 15.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5932:0310:1932:03
10:19
-
10K
6.21 mi12:00:181:08:2211:0036:19
11:41
+1:22
15K
9.32 mi12:36:311:44:3511:1336:13
11:39
-0:02
20K
12.43 mi13:12:592:21:0311:2136:28
11:44
+0:05
Half
13.11 mi13:20:182:28:2211:197:19
10:43
-1:01
25K
15.53 mi13:50:242:58:2811:2930:06
12:25
+1:42
30K
18.64 mi14:32:233:40:2711:5041:59
13:31
+1:06
20M
20.00 mi14:49:533:57:5711:5417:30
12:53
-0:38
21M
21.00 mi15:04:124:12:1612:0114:19
14:19
+1:26
35K
21.75 mi15:13:514:21:5512:039:39
12:54
-1:25
23M
23.00 mi15:30:454:38:4912:0716:54
13:30
+0:36
24M
24.00 mi15:44:154:52:1912:1113:30
13:30
0:00
40K
24.85 mi15:54:515:02:5512:1110:36
12:24
-1:06
25.2M
25.20 mi15:59:475:07:5112:134:56
14:18
+1:54
Finish
26.22 mi16:12:025:20:0612:1312:15
12:01
-2:17

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

10:19 /mi

Average Pace

12:13 /mi

Slowest Pace

14:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:22

46% of race

Time at Steady Pace

1:20:06

25% of race

Time at Slower Pace

1:31:38

29% of race

Average Pace: 12:12 /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 mi11:23:5932:0310:1932:03
10:19
#26332
10K
6.21 mi12:00:181:08:2211:0036:19
11:41
#27315
15K
9.32 mi12:36:311:44:3511:1336:13
11:39
#27341
20K
12.43 mi13:12:592:21:0311:2136:28
11:44
#27216
Half
13.11 mi13:20:182:28:2211:197:19
10:43
#27163
25K
15.53 mi13:50:242:58:2811:2930:06
12:25
#27110
30K
18.64 mi14:32:233:40:2711:5041:59
13:31
#27120
20M
20.00 mi14:49:533:57:5711:5417:30
12:53
#27086
21M
21.00 mi15:04:124:12:1612:0114:19
14:19
#27084
35K
21.75 mi15:13:514:21:5512:039:39
12:54
#27075
23M
23.00 mi15:30:454:38:4912:0716:54
13:30
#27090
24M
24.00 mi15:44:154:52:1912:1113:30
13:30
#27108
40K
24.85 mi15:54:515:02:5512:1110:36
12:24
#27067
25.2M
25.20 mi15:59:475:07:5112:134:56
14:18
#27062
Finish
26.22 mi16:12:025:20:0612:1312:15
12:01
#27068
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi26332153271532727375(Top 96%)15699(Top 97%)15699(Top 699%)
10K6.21 mi3.10 mi27315-98315707-38015707-38027746(Top 98%)15871(Top 99%)15871(Top 706%)
15K9.32 mi3.11 mi27341-2615713-615713-627375(Top 96%)15699(Top 97%)15699(Top 699%)
20K12.43 mi3.11 mi27216+12515654+5915654+5926886(Top 95%)15495(Top 96%)15495(Top 690%)
Half13.11 mi0.68 mi27163+5315633+2115633+2126148(Top 92%)15178(Top 94%)15178(Top 675%)
25K15.53 mi2.42 mi27110+5315597+3615597+3626858(Top 95%)15440(Top 96%)15440(Top 687%)
30K18.64 mi3.11 mi27120-1015585+1215585+1227153(Top 96%)15503(Top 96%)15503(Top 690%)
20M20.00 mi1.36 mi27086+3415563+2215563+2226328(Top 93%)15081(Top 94%)15081(Top 671%)
21M21.00 mi1.00 mi27084+215550+1315550+1326547(Top 93%)15144(Top 94%)15144(Top 674%)
35K21.75 mi0.75 mi27075+915546+415546+426874(Top 95%)15280(Top 95%)15280(Top 680%)
23M23.00 mi1.25 mi27090-1515542+415542+426879(Top 95%)15272(Top 95%)15272(Top 680%)
24M24.00 mi1.00 mi27108-1815539+315539+327316(Top 96%)15441(Top 96%)15441(Top 687%)
40K24.85 mi0.85 mi27067+4115519+2015519+2025527(Top 90%)14541(Top 90%)14541(Top 647%)
25.2M25.20 mi0.35 mi27062+515513+615513+626584(Top 94%)15056(Top 93%)15056(Top 670%)
Finish26.22 mi1.02 mi27068-615509+415509+426827(Top 94%)15214(Top 94%)15214(Top 677%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27375

Males

15699

M40-44

15699

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

27746

Males

15871

M40-44

15871

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27375

Males

15699

M40-44

15699

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

26886

Males

15495

M40-44

15495

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26148

Males

15178

M40-44

15178

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

26858

Males

15440

M40-44

15440

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

27153

Males

15503

M40-44

15503

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26328

Males

15081

M40-44

15081

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26547

Males

15144

M40-44

15144

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

26874

Males

15280

M40-44

15280

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

26879

Males

15272

M40-44

15272

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

27316

Males

15441

M40-44

15441

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25527

Males

14541

M40-44

14541

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26584

Males

15056

M40-44

15056

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

26827

Males

15214

M40-44

15214

Passing Analysis

Category:
Athletes Passed
698
Passed By
1434
Net Change
-736
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26332
5K → 10K10993-983#26332#27315
10K → 15K97123-26#27315#27341
15K → 20K15934+125#27341#27216
20K → Half541+53#27216#27163
Half → 25K9845+53#27163#27110
25K → 30K7787-10#27110#27120
30K → 20M4915+34#27120#27086
20M → 21M3129+2#27086#27084
21M → 35K1910+9#27084#27075
35K → 23M1833-15#27075#27090
23M → 24M1028-18#27090#27108
24M → 40K465+41#27108#27067
40K → 25.2M149+5#27067#27062
25.2M → Finish1622-6#27062#27068
TOTALS6981434-736
📊

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