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BOSTON MARATHON 2025

Jun Xian

Bib: 23166•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 40%
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
8:38/mi
26:50
↑ 97↓ 3451.5%
10K· 6.21 mi
8:31/mi
53:18
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:19:55
↑ 67↓ 78
20K· 12.43 mi
8:38/mi
1:46:43
↑ 106↓ 860.1%
Half· 13.11 mi
8:39/mi
1:52:37
↑ 19↓ 370.5%
25K· 15.53 mi
8:35/mi
2:13:26
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:40:20
↑ 181↓ 1480.2%
20M
8:33/mi
2:51:57
↑ 64↓ 500.2%
21M
9:03/mi
3:01:00
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
3:07:21
↑ 17↓ 861.7%
23M
8:34/mi
3:18:04
↑ 23↓ 630.6%
24M
8:32/mi
3:26:36
↓ 821.3%
40K· 24.85 mi
8:44/mi
3:34:04
↓ 200.3%
25.2M
9:14/mi
3:37:15
↑ 13↓ 160.2%
Finish· 26.22 mi
8:22/mi
3:45:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:52:37
Pace8:35 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:53:10
Pace8:38 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1526:508:3826:50
8:38
-
10K
6.21 mi11:46:4353:188:3526:28
8:31
-0:07
15K
9.32 mi12:13:201:19:558:3426:37
8:34
+0:03
20K
12.43 mi12:40:081:46:438:3526:48
8:38
+0:04
Half
13.11 mi12:46:021:52:378:355:54
8:39
+0:01
25K
15.53 mi13:06:512:13:268:3520:49
8:35
-0:04
30K
18.64 mi13:33:452:40:208:3626:54
8:39
+0:04
20M
20.00 mi13:45:222:51:578:3611:37
8:33
-0:06
21M
21.00 mi13:54:253:01:008:379:03
9:03
+0:30
35K
21.75 mi14:00:463:07:218:376:21
8:29
-0:34
23M
23.00 mi14:11:293:18:048:3710:43
8:34
+0:05
24M
24.00 mi14:20:013:26:368:378:32
8:32
-0:02
40K
24.85 mi14:27:293:34:048:377:28
8:44
+0:12
25.2M
25.20 mi14:30:403:37:158:373:11
9:14
+0:30
Finish
26.22 mi14:39:123:45:478:378:32
8:22
-0:52

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

8:22 /mi

Average Pace

8:37 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:42:36

99% of race

Time at Steady Pace

3:11

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:37 /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 mi11:20:1526:508:3826:50
8:38
#20671
10K
6.21 mi11:46:4353:188:3526:28
8:31
#20282
15K
9.32 mi12:13:201:19:558:3426:37
8:34
#20097
20K
12.43 mi12:40:081:46:438:3526:48
8:38
#19801
Half
13.11 mi12:46:021:52:378:355:54
8:39
#19818
25K
15.53 mi13:06:512:13:268:3520:49
8:35
#19445
30K
18.64 mi13:33:452:40:208:3626:54
8:39
#18757
20M
20.00 mi13:45:222:51:578:3611:37
8:33
#18413
21M
21.00 mi13:54:253:01:008:379:03
9:03
#18127
35K
21.75 mi14:00:463:07:218:376:21
8:29
#18011
23M
23.00 mi14:11:293:18:048:3710:43
8:34
#17733
24M
24.00 mi14:20:013:26:368:378:32
8:32
#17593
40K
24.85 mi14:27:293:34:048:377:28
8:44
#17485
25.2M
25.20 mi14:30:403:37:158:373:11
9:14
#17423
Finish
26.22 mi14:39:123:45:478:378:32
8:22
#17328
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20671127141271419724(Top 69%)12377(Top 77%)12377(Top 983%)
10K6.21 mi3.10 mi20282+38912584+13012584+13019900(Top 70%)12429(Top 77%)12429(Top 987%)
15K9.32 mi3.11 mi20097+18512514+7012514+7019724(Top 69%)12377(Top 77%)12377(Top 983%)
20K12.43 mi3.11 mi19801+29612380+13412380+13418980(Top 67%)12019(Top 75%)12019(Top 955%)
Half13.11 mi0.68 mi19818-1712388-812388-820016(Top 70%)12457(Top 77%)12457(Top 989%)
25K15.53 mi2.42 mi19445+37312220+16812220+16817709(Top 62%)11406(Top 71%)11406(Top 906%)
30K18.64 mi3.11 mi18757+68811898+32211898+32215754(Top 55%)10398(Top 65%)10398(Top 826%)
20M20.00 mi1.36 mi18413+34411713+18511713+18514086(Top 50%)9496(Top 59%)9496(Top 754%)
21M21.00 mi1.00 mi18127+28611567+14611567+14613801(Top 49%)9253(Top 57%)9253(Top 735%)
35K21.75 mi0.75 mi18011+11611503+6411503+6415372(Top 54%)9888(Top 61%)9888(Top 785%)
23M23.00 mi1.25 mi17733+27811334+16911334+16913669(Top 48%)9012(Top 56%)9012(Top 716%)
24M24.00 mi1.00 mi17593+14011244+9011244+9014725(Top 52%)9468(Top 59%)9468(Top 752%)
40K24.85 mi0.85 mi17485+10811166+7811166+7814796(Top 52%)9351(Top 58%)9351(Top 743%)
25.2M25.20 mi0.35 mi17423+6211134+3211134+3213083(Top 46%)8528(Top 53%)8528(Top 677%)
Finish26.22 mi1.02 mi17328+9511072+6211072+6215380(Top 54%)9660(Top 60%)9660(Top 767%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19724

Males

12377

M60-64

12377

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19900

Males

12429

M60-64

12429

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19724

Males

12377

M60-64

12377

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

18980

Males

12019

M60-64

12019

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

20016

Males

12457

M60-64

12457

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

17709

Males

11406

M60-64

11406

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15754

Males

10398

M60-64

10398

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14086

Males

9496

M60-64

9496

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13801

Males

9253

M60-64

9253

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15372

Males

9888

M60-64

9888

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13669

Males

9012

M60-64

9012

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14725

Males

9468

M60-64

9468

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14796

Males

9351

M60-64

9351

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13083

Males

8528

M60-64

8528

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

15380

Males

9660

M60-64

9660

Passing Analysis

Category:
Athletes Passed
3775
Passed By
432
Net Change
+3343
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20671
5K → 10K535146+389#20671#20282
10K → 15K27792+185#20282#20097
15K → 20K34852+296#20097#19801
20K → Half2441-17#19801#19818
Half → 25K38613+373#19818#19445
25K → 30K6968+688#19445#18757
30K → 20M3462+344#18757#18413
20M → 21M2937+286#18413#18127
21M → 35K12610+116#18127#18011
35K → 23M2824+278#18011#17733
23M → 24M15717+140#17733#17593
24M → 40K12416+108#17593#17485
40K → 25.2M664+62#17485#17423
25.2M → Finish11520+95#17423#17328
TOTALS3775432+3343
📊

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