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BOSTON MARATHON 2025

Xian He

Bib: 27119•M

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
34:17
Rank: #27598
Start → 5K
11:02/mi
34:17 split
10K· 6.21 mi
1:08:41
Rank: #27390 (+208)
5K → 10K
11:04/mi
34:24 split
15K· 9.32 mi
1:43:47
Rank: #27239 (+151)
10K → 15K
11:18/mi
35:06 split
20K· 12.43 mi
2:17:56
Rank: #26923 (+316)
15K → 20K
11:00/mi
34:09 split
Half· 13.11 mi
2:25:26
Rank: #26895 (+28)
20K → Half
11:00/mi
7:30 split
25K· 15.53 mi
2:52:21
Rank: #26641 (+254)
Half → 25K
11:06/mi
26:55 split
30K· 18.64 mi
3:28:59
Rank: #26402 (+239)
25K → 30K
11:47/mi
36:38 split
20M
3:44:53
Rank: #26284 (+118)
30K → 20M
11:42/mi
15:54 split
21M
3:57:15
Rank: #26191 (+93)
20M → 21M
12:22/mi
12:22 split
35K· 21.75 mi
4:05:40
Rank: #26142 (+49)
21M → 35K
11:15/mi
8:25 split
23M
4:20:11
Rank: #26070 (+72)
35K → 23M
11:36/mi
14:31 split
24M
4:31:31
Rank: #26024 (+46)
23M → 24M
11:20/mi
11:20 split
40K· 24.85 mi
4:41:06
Rank: #25967 (+57)
24M → 40K
11:13/mi
9:35 split
25.2M
4:45:19
Rank: #25943 (+24)
40K → 25.2M
12:14/mi
4:13 split
Finish· 26.22 mi
4:56:04
Rank: #25916 (+27)
25.2M → Finish
10:33/mi
10:45 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:25:26
Pace11:06 /mi
2nd Half
Distance13.11 mi
Time2:30:38
Pace11:29 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0734:1711:0234:17
11:02
-
10K
6.21 mi12:24:311:08:4111:0334:24
11:04
+0:02
15K
9.32 mi12:59:371:43:4711:0835:06
11:18
+0:14
20K
12.43 mi13:33:462:17:5611:0634:09
11:00
-0:18
Half
13.11 mi13:41:162:25:2611:067:30
11:00
0:00
25K
15.53 mi14:08:112:52:2111:0626:55
11:06
+0:06
30K
18.64 mi14:44:493:28:5911:1336:38
11:47
+0:41
20M
20.00 mi15:00:433:44:5311:1515:54
11:42
-0:05
21M
21.00 mi15:13:053:57:1511:1812:22
12:22
+0:40
35K
21.75 mi15:21:304:05:4011:188:25
11:15
-1:07
23M
23.00 mi15:36:014:20:1111:1914:31
11:36
+0:21
24M
24.00 mi15:47:214:31:3111:1911:20
11:20
-0:16
40K
24.85 mi15:56:564:41:0611:199:35
11:13
-0:07
25.2M
25.20 mi16:01:094:45:1911:194:13
12:14
+1:01
Finish
26.22 mi16:11:544:56:0411:1810:45
10:33
-1:41

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

10:33 /mi

Average Pace

11:18 /mi

Slowest Pace

12:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:46:57

77% of race

Time at Steady Pace

1:09:07

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:17 /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 mi11:50:0734:1711:0234:17
11:02
#27598
10K
6.21 mi12:24:311:08:4111:0334:24
11:04
#27390
15K
9.32 mi12:59:371:43:4711:0835:06
11:18
#27239
20K
12.43 mi13:33:462:17:5611:0634:09
11:00
#26923
Half
13.11 mi13:41:162:25:2611:067:30
11:00
#26895
25K
15.53 mi14:08:112:52:2111:0626:55
11:06
#26641
30K
18.64 mi14:44:493:28:5911:1336:38
11:47
#26402
20M
20.00 mi15:00:433:44:5311:1515:54
11:42
#26284
21M
21.00 mi15:13:053:57:1511:1812:22
12:22
#26191
35K
21.75 mi15:21:304:05:4011:188:25
11:15
#26142
23M
23.00 mi15:36:014:20:1111:1914:31
11:36
#26070
24M
24.00 mi15:47:214:31:3111:1911:20
11:20
#26024
40K
24.85 mi15:56:564:41:0611:199:35
11:13
#25967
25.2M
25.20 mi16:01:094:45:1911:194:13
12:14
#25943
Finish
26.22 mi16:11:544:56:0411:1810:45
10:33
#25916
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi27598158211582127030(Top 95%)15568(Top 97%)15568(Top 693%)
10K6.21 mi3.10 mi27390+20815737+8415737+8427155(Top 96%)15631(Top 97%)15631(Top 696%)
15K9.32 mi3.11 mi27239+15115679+5815679+5827030(Top 95%)15568(Top 97%)15568(Top 693%)
20K12.43 mi3.11 mi26923+31615534+14515534+14525982(Top 91%)15114(Top 94%)15114(Top 673%)
Half13.11 mi0.68 mi26895+2815518+1615518+1626483(Top 93%)15301(Top 95%)15301(Top 681%)
25K15.53 mi2.42 mi26641+25415408+11015408+11025349(Top 89%)14796(Top 92%)14796(Top 658%)
30K18.64 mi3.11 mi26402+23915292+11615292+11625302(Top 89%)14681(Top 91%)14681(Top 653%)
20M20.00 mi1.36 mi26284+11815223+6915223+6924852(Top 87%)14395(Top 89%)14395(Top 641%)
21M21.00 mi1.00 mi26191+9315169+5415169+5424203(Top 85%)14010(Top 87%)14010(Top 623%)
35K21.75 mi0.75 mi26142+4915141+2815141+2824697(Top 87%)14214(Top 88%)14214(Top 633%)
23M23.00 mi1.25 mi26070+7215103+3815103+3824407(Top 86%)14046(Top 87%)14046(Top 625%)
24M24.00 mi1.00 mi26024+4615074+2915074+2924626(Top 87%)14120(Top 88%)14120(Top 628%)
40K24.85 mi0.85 mi25967+5715042+3215042+3223583(Top 83%)13549(Top 84%)13549(Top 603%)
25.2M25.20 mi0.35 mi25943+2415023+1915023+1923666(Top 83%)13606(Top 84%)13606(Top 606%)
Finish26.22 mi1.02 mi25916+2715002+2115002+2124399(Top 86%)13985(Top 87%)13985(Top 622%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

27030

Males

15568

M40-44

15568

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27155

Males

15631

M40-44

15631

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

27030

Males

15568

M40-44

15568

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25982

Males

15114

M40-44

15114

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

26483

Males

15301

M40-44

15301

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

25349

Males

14796

M40-44

14796

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25302

Males

14681

M40-44

14681

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

24852

Males

14395

M40-44

14395

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

24203

Males

14010

M40-44

14010

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24697

Males

14214

M40-44

14214

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24407

Males

14046

M40-44

14046

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24626

Males

14120

M40-44

14120

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23583

Males

13549

M40-44

13549

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23666

Males

13606

M40-44

13606

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24399

Males

13985

M40-44

13985

Passing Analysis

Category:
Athletes Passed
1846
Passed By
164
Net Change
+1682
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27598
5K → 10K23729+208#27598#27390
10K → 15K19039+151#27390#27239
15K → 20K3193+316#27239#26923
20K → Half335+28#26923#26895
Half → 25K2573+254#26895#26641
25K → 30K25213+239#26641#26402
30K → 20M1235+118#26402#26284
20M → 21M10512+93#26284#26191
21M → 35K6011+49#26191#26142
35K → 23M8412+72#26142#26070
23M → 24M5610+46#26070#26024
24M → 40K592+57#26024#25967
40K → 25.2M262+24#25967#25943
25.2M → Finish4518+27#25943#25916
TOTALS1846164+1682
📊

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