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BOSTON MARATHON 2025

Zhiming Zhang

Bib: 18019•M

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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

Start
0:00:00
Race begins
5K· 3.11 mi
23:30
Rank: #12789
Start → 5K
23:30 | 7:34/mi
10K· 6.21 mi
47:10
Rank: #12945 (-156)
5K → 10K
23:40 | 7:37/mi
15K· 9.32 mi
1:10:53
Rank: #12909 (+36)
10K → 15K
23:43 | 7:38/mi
20K· 12.43 mi
1:35:13
Rank: #13024 (-115)
15K → 20K
24:20 | 7:50/mi
Half· 13.11 mi
1:40:28
Rank: #13047 (-23)
20K → Half
5:15 | 7:42/mi
25K· 15.53 mi
1:59:48
Rank: #13114 (-67)
Half → 25K
19:20 | 7:58/mi
30K· 18.64 mi
2:28:05
Rank: #14229 (-1115)
25K → 30K
28:17 | 9:06/mi
20M
2:40:57
Rank: #14727 (-498)
30K → 20M
12:52 | 9:28/mi
21M
2:51:12
Rank: #15049 (-322)
20M → 21M
10:15 | 10:15/mi
35K· 21.75 mi
2:58:11
Rank: #15242 (-193)
21M → 35K
6:59 | 9:20/mi
23M
3:10:01
Rank: #15463 (-221)
35K → 23M
11:50 | 9:27/mi
24M
3:19:37
Rank: #15675 (-212)
23M → 24M
9:36 | 9:36/mi
40K· 24.85 mi
3:28:01
Rank: #15869 (-194)
24M → 40K
8:24 | 9:49/mi
25.2M
3:31:55
Rank: #16003 (-134)
40K → 25.2M
3:54 | 11:19/mi
Finish· 26.22 mi
3:41:51
Rank: #16327 (-324)
25.2M → Finish
9:56 | 9:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:28
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time2:01:23
Pace9:16 /mi
📊Positive Split: 20.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4023:307:3423:30
7:34
-
10K
6.21 mi11:37:2047:107:3523:40
7:37
+0:03
15K
9.32 mi12:01:031:10:537:3623:43
7:38
+0:01
20K
12.43 mi12:25:231:35:137:4024:20
7:50
+0:12
Half
13.11 mi12:30:381:40:287:405:15
7:42
-0:08
25K
15.53 mi12:49:581:59:487:4319:20
7:58
+0:16
30K
18.64 mi13:18:152:28:057:5728:17
9:06
+1:08
20M
20.00 mi13:31:072:40:578:0312:52
9:28
+0:22
21M
21.00 mi13:41:222:51:128:0910:15
10:15
+0:47
35K
21.75 mi13:48:212:58:118:126:59
9:20
-0:55
23M
23.00 mi14:00:113:10:018:1611:50
9:27
+0:07
24M
24.00 mi14:09:473:19:378:199:36
9:36
+0:09
40K
24.85 mi14:18:113:28:018:228:24
9:49
+0:13
25.2M
25.20 mi14:22:053:31:558:253:54
11:19
+1:30
Finish
26.22 mi14:32:013:41:518:289:56
9:45
-1:34

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

7:34 /mi

Average Pace

8:28 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:48

54% of race

Time at Steady Pace

1:27:54

40% of race

Time at Slower Pace

14:09

6% of race

Average Pace: 8:28 /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 mi11:13:4023:307:3423:30
7:34
#12789
10K
6.21 mi11:37:2047:107:3523:40
7:37
#12945
15K
9.32 mi12:01:031:10:537:3623:43
7:38
#12909
20K
12.43 mi12:25:231:35:137:4024:20
7:50
#13024
Half
13.11 mi12:30:381:40:287:405:15
7:42
#13047
25K
15.53 mi12:49:581:59:487:4319:20
7:58
#13114
30K
18.64 mi13:18:152:28:057:5728:17
9:06
#14229
20M
20.00 mi13:31:072:40:578:0312:52
9:28
#14727
21M
21.00 mi13:41:222:51:128:0910:15
10:15
#15049
35K
21.75 mi13:48:212:58:118:126:59
9:20
#15242
23M
23.00 mi14:00:113:10:018:1611:50
9:27
#15463
24M
24.00 mi14:09:473:19:378:199:36
9:36
#15675
40K
24.85 mi14:18:113:28:018:228:24
9:49
#15869
25.2M
25.20 mi14:22:053:31:558:253:54
11:19
#16003
Finish
26.22 mi14:32:013:41:518:289:56
9:45
#16327
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi127899557955712916(Top 45%)9482(Top 59%)9482(Top 575%)
10K6.21 mi3.10 mi12945-1569605-489605-4813172(Top 46%)9664(Top 60%)9664(Top 586%)
15K9.32 mi3.11 mi12909+369539+669539+6612916(Top 45%)9482(Top 59%)9482(Top 575%)
20K12.43 mi3.11 mi13024-1159526+139526+1313526(Top 48%)9662(Top 60%)9662(Top 586%)
Half13.11 mi0.68 mi13047-239535-99535-913343(Top 47%)9643(Top 60%)9643(Top 585%)
25K15.53 mi2.42 mi13114-679534+19534+113680(Top 48%)9599(Top 60%)9599(Top 582%)
30K18.64 mi3.11 mi14229-11159950-4169950-41618186(Top 64%)11454(Top 71%)11454(Top 695%)
20M20.00 mi1.36 mi14727-49810142-19210142-19219017(Top 67%)11697(Top 73%)11697(Top 710%)
21M21.00 mi1.00 mi15049-32210256-11410256-11419178(Top 68%)11700(Top 73%)11700(Top 710%)
35K21.75 mi0.75 mi15242-19310325-6910325-6919684(Top 69%)11810(Top 73%)11810(Top 717%)
23M23.00 mi1.25 mi15463-22110369-4410369-4418444(Top 65%)11189(Top 69%)11189(Top 679%)
24M24.00 mi1.00 mi15675-21210439-7010439-7019961(Top 70%)11844(Top 74%)11844(Top 719%)
40K24.85 mi0.85 mi15869-19410500-6110500-6119874(Top 70%)11736(Top 73%)11736(Top 712%)
25.2M25.20 mi0.35 mi16003-13410539-3910539-3921499(Top 76%)12522(Top 78%)12522(Top 760%)
Finish26.22 mi1.02 mi16327-32410661-12210661-12222058(Top 78%)12811(Top 80%)12811(Top 777%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12916

Males

9482

M55-59

9482

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

13172

Males

9664

M55-59

9664

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12916

Males

9482

M55-59

9482

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

13526

Males

9662

M55-59

9662

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

13343

Males

9643

M55-59

9643

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

13680

Males

9599

M55-59

9599

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18186

Males

11454

M55-59

11454

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

19017

Males

11697

M55-59

11697

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19178

Males

11700

M55-59

11700

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19684

Males

11810

M55-59

11810

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18444

Males

11189

M55-59

11189

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19961

Males

11844

M55-59

11844

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19874

Males

11736

M55-59

11736

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21499

Males

12522

M55-59

12522

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22058

Males

12811

M55-59

12811

Passing Analysis

Category:
Athletes Passed
1092
Passed By
4630
Net Change
-3538
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12789
5K → 10K217373-156#12789#12945
10K → 15K233197+36#12945#12909
15K → 20K167282-115#12909#13024
20K → Half3457-23#13024#13047
Half → 25K131198-67#13047#13114
25K → 30K701185-1115#13114#14229
30K → 20M35533-498#14229#14727
20M → 21M45367-322#14727#15049
21M → 35K28221-193#15049#15242
35K → 23M56277-221#15242#15463
23M → 24M18230-212#15463#15675
24M → 40K34228-194#15675#15869
40K → 25.2M7141-134#15869#16003
25.2M → Finish17341-324#16003#16327
TOTALS10924630-3538
📊

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