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BOSTON MARATHON 2025

Yu Zhang

Bib: 1295•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 11%
Masters (Masters Men)
#0 / 10463
Top 3%
Division (M40-44)
#0 / 2247
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:48
Rank: #2921
Start → 5K
19:48 | 6:22/mi
10K· 6.21 mi
39:32
Rank: #2804 (+117)
5K → 10K
19:44 | 6:21/mi
15K· 9.32 mi
59:23
Rank: #2820 (-16)
10K → 15K
19:51 | 6:23/mi
20K· 12.43 mi
1:19:23
Rank: #2785 (+35)
15K → 20K
20:00 | 6:26/mi
Half· 13.11 mi
1:23:38
Rank: #2741 (+44)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:39:05
Rank: #2616 (+125)
Half → 25K
15:27 | 6:22/mi
30K· 18.64 mi
1:59:25
Rank: #2485 (+131)
25K → 30K
20:20 | 6:33/mi
20M
2:08:21
Rank: #2407 (+78)
30K → 20M
8:56 | 6:34/mi
21M
2:15:10
Rank: #2323 (+84)
20M → 21M
6:49 | 6:49/mi
35K· 21.75 mi
2:19:52
Rank: #2279 (+44)
21M → 35K
4:42 | 6:17/mi
23M
2:27:53
Rank: #2168 (+111)
35K → 23M
8:01 | 6:24/mi
24M
2:34:06
Rank: #2074 (+94)
23M → 24M
6:13 | 6:13/mi
40K· 24.85 mi
2:39:32
Rank: #1999 (+75)
24M → 40K
5:26 | 6:21/mi
25.2M
2:41:55
Rank: #1974 (+25)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:48:05
Rank: #1902 (+72)
25.2M → Finish
6:10 | 6:03/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:23:38
Pace6:23 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:27
Pace6:27 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2719:486:2219:48
6:22
-
10K
6.21 mi10:40:1139:326:2219:44
6:21
-0:01
15K
9.32 mi11:00:0259:236:2219:51
6:23
+0:02
20K
12.43 mi11:20:021:19:236:2320:00
6:26
+0:03
Half
13.11 mi11:24:171:23:386:234:15
6:14
-0:12
25K
15.53 mi11:39:441:39:056:2315:27
6:22
+0:08
30K
18.64 mi12:00:041:59:256:2420:20
6:33
+0:11
20M
20.00 mi12:09:002:08:216:258:56
6:34
+0:01
21M
21.00 mi12:15:492:15:106:266:49
6:49
+0:15
35K
21.75 mi12:20:312:19:526:264:42
6:17
-0:32
23M
23.00 mi12:28:322:27:536:268:01
6:24
+0:07
24M
24.00 mi12:34:452:34:066:256:13
6:13
-0:11
40K
24.85 mi12:40:112:39:326:255:26
6:21
+0:08
25.2M
25.20 mi12:42:342:41:556:262:23
6:55
+0:34
Finish
26.22 mi12:48:442:48:056:256:10
6:03
-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

6:03 /mi

Average Pace

6:25 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:53

95% of race

Time at Steady Pace

9:12

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:25 /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 mi10:20:2719:486:2219:48
6:22
#2921
10K
6.21 mi10:40:1139:326:2219:44
6:21
#2804
15K
9.32 mi11:00:0259:236:2219:51
6:23
#2820
20K
12.43 mi11:20:021:19:236:2320:00
6:26
#2785
Half
13.11 mi11:24:171:23:386:234:15
6:14
#2741
25K
15.53 mi11:39:441:39:056:2315:27
6:22
#2616
30K
18.64 mi12:00:041:59:256:2420:20
6:33
#2485
20M
20.00 mi12:09:002:08:216:258:56
6:34
#2407
21M
21.00 mi12:15:492:15:106:266:49
6:49
#2323
35K
21.75 mi12:20:312:19:526:264:42
6:17
#2279
23M
23.00 mi12:28:322:27:536:268:01
6:24
#2168
24M
24.00 mi12:34:452:34:066:256:13
6:13
#2074
40K
24.85 mi12:40:112:39:326:255:26
6:21
#1999
25.2M
25.20 mi12:42:342:41:556:262:23
6:55
#1974
Finish
26.22 mi12:48:442:48:056:256:10
6:03
#1902
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2921278027802875(Top 10%)2740(Top 17%)2740(Top 122%)
10K6.21 mi3.10 mi2804+1172671+1092671+1092748(Top 10%)2618(Top 16%)2618(Top 117%)
15K9.32 mi3.11 mi2820-162689-182689-182875(Top 10%)2740(Top 17%)2740(Top 122%)
20K12.43 mi3.11 mi2785+352655+342655+342743(Top 10%)2613(Top 16%)2613(Top 116%)
Half13.11 mi0.68 mi2741+442615+402615+402175(Top 8%)2079(Top 13%)2079(Top 93%)
25K15.53 mi2.42 mi2616+1252497+1182497+1182223(Top 8%)2116(Top 13%)2116(Top 94%)
30K18.64 mi3.11 mi2485+1312372+1252372+1252184(Top 8%)2068(Top 13%)2068(Top 92%)
20M20.00 mi1.36 mi2407+782296+762296+761941(Top 7%)1838(Top 11%)1838(Top 82%)
21M21.00 mi1.00 mi2323+842214+822214+821603(Top 6%)1512(Top 9%)1512(Top 67%)
35K21.75 mi0.75 mi2279+442171+432171+431562(Top 5%)1472(Top 9%)1472(Top 66%)
23M23.00 mi1.25 mi2168+1112064+1072064+1071169(Top 4%)1105(Top 7%)1105(Top 49%)
24M24.00 mi1.00 mi2074+941971+931971+931094(Top 4%)1030(Top 6%)1030(Top 46%)
40K24.85 mi0.85 mi1999+751897+741897+741131(Top 4%)1060(Top 7%)1060(Top 47%)
25.2M25.20 mi0.35 mi1974+251872+251872+251273(Top 4%)1175(Top 7%)1175(Top 52%)
Finish26.22 mi1.02 mi1902+721801+711801+711076(Top 4%)1010(Top 6%)1010(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2875

Males

2740

M40-44

2740

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2748

Males

2618

M40-44

2618

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2875

Males

2740

M40-44

2740

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2743

Males

2613

M40-44

2613

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2175

Males

2079

M40-44

2079

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2223

Males

2116

M40-44

2116

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2184

Males

2068

M40-44

2068

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1941

Males

1838

M40-44

1838

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1603

Males

1512

M40-44

1512

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1562

Males

1472

M40-44

1472

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1169

Males

1105

M40-44

1105

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1094

Males

1030

M40-44

1030

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1131

Males

1060

M40-44

1060

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1273

Males

1175

M40-44

1175

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1076

Males

1010

M40-44

1010

Passing Analysis

Category:
Athletes Passed
1315
Passed By
296
Net Change
+1019
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2921
5K → 10K19275+117#2921#2804
10K → 15K6783-16#2804#2820
15K → 20K9863+35#2820#2785
20K → Half451+44#2785#2741
Half → 25K13914+125#2741#2616
25K → 30K16332+131#2616#2485
30K → 20M868+78#2485#2407
20M → 21M884+84#2407#2323
21M → 35K473+44#2323#2279
35K → 23M1121+111#2279#2168
23M → 24M962+94#2168#2074
24M → 40K783+75#2074#1999
40K → 25.2M250+25#1999#1974
25.2M → Finish797+72#1974#1902
TOTALS1315296+1019
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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