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BOSTON MARATHON 2025

Sida Jiang

Bib: 32327•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 31%
Gender (Male)
#0 / 16105
Top 44%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:29
Rank: #9777
Start → 5K
7:14/mi
22:29 split
10K· 6.21 mi
43:29
Rank: #7838 (+1939)
5K → 10K
6:46/mi
21:00 split
15K· 9.32 mi
1:04:17
Rank: #7051 (+787)
10K → 15K
6:42/mi
20:48 split
20K· 12.43 mi
1:26:21
Rank: #7162 (-111)
15K → 20K
7:06/mi
22:04 split
Half· 13.11 mi
1:31:12
Rank: #7217 (-55)
20K → Half
7:07/mi
4:51 split
25K· 15.53 mi
1:49:06
Rank: #7407 (-190)
Half → 25K
7:23/mi
17:54 split
30K· 18.64 mi
2:14:01
Rank: #7954 (-547)
25K → 30K
8:01/mi
24:55 split
20M
2:25:06
Rank: #8173 (-219)
30K → 20M
8:09/mi
11:05 split
21M
2:33:56
Rank: #8377 (-204)
20M → 21M
8:50/mi
8:50 split
35K· 21.75 mi
2:39:37
Rank: #8389 (-12)
21M → 35K
7:36/mi
5:41 split
23M
2:49:47
Rank: #8469 (-80)
35K → 23M
8:07/mi
10:10 split
24M
2:57:41
Rank: #8557 (-88)
23M → 24M
7:54/mi
7:54 split
40K· 24.85 mi
3:04:37
Rank: #8610 (-53)
24M → 40K
8:07/mi
6:56 split
25.2M
3:07:48
Rank: #8686 (-76)
40K → 25.2M
9:14/mi
3:11 split
Finish· 26.22 mi
3:15:40
Rank: #8770 (-84)
25.2M → Finish
7:43/mi
7:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:12
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:44:28
Pace7:58 /mi
📊Positive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4922:297:1422:29
7:14
-
10K
6.21 mi12:06:4943:297:0021:00
6:46
-0:28
15K
9.32 mi12:27:371:04:176:5420:48
6:42
-0:04
20K
12.43 mi12:49:411:26:216:5722:04
7:06
+0:24
Half
13.11 mi12:54:321:31:126:574:51
7:07
+0:01
25K
15.53 mi13:12:261:49:067:0117:54
7:23
+0:16
30K
18.64 mi13:37:212:14:017:1124:55
8:01
+0:38
20M
20.00 mi13:48:262:25:067:1511:05
8:09
+0:08
21M
21.00 mi13:57:162:33:567:208:50
8:50
+0:41
35K
21.75 mi14:02:572:39:377:205:41
7:36
-1:14
23M
23.00 mi14:13:072:49:477:2310:10
8:07
+0:31
24M
24.00 mi14:21:012:57:417:247:54
7:54
-0:13
40K
24.85 mi14:27:573:04:377:266:56
8:07
+0:13
25.2M
25.20 mi14:31:083:07:487:273:11
9:14
+1:07
Finish
26.22 mi14:39:003:15:407:287:52
7:43
-1:31

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

6:42 /mi

Average Pace

7:28 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:12

47% of race

Time at Steady Pace

1:04:16

33% of race

Time at Slower Pace

40:12

21% of race

Average Pace: 7:28 /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 mi11:45:4922:297:1422:29
7:14
#9777
10K
6.21 mi12:06:4943:297:0021:00
6:46
#7838
15K
9.32 mi12:27:371:04:176:5420:48
6:42
#7051
20K
12.43 mi12:49:411:26:216:5722:04
7:06
#7162
Half
13.11 mi12:54:321:31:126:574:51
7:07
#7217
25K
15.53 mi13:12:261:49:067:0117:54
7:23
#7407
30K
18.64 mi13:37:212:14:017:1124:55
8:01
#7954
20M
20.00 mi13:48:262:25:067:1511:05
8:09
#8173
21M
21.00 mi13:57:162:33:567:208:50
8:50
#8377
35K
21.75 mi14:02:572:39:377:205:41
7:36
#8389
23M
23.00 mi14:13:072:49:477:2310:10
8:07
#8469
24M
24.00 mi14:21:012:57:417:247:54
7:54
#8557
40K
24.85 mi14:27:573:04:377:266:56
8:07
#8610
25.2M
25.20 mi14:31:083:07:487:273:11
9:14
#8686
Finish
26.22 mi14:39:003:15:407:287:52
7:43
#8770
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9777805080505038(Top 18%)4683(Top 29%)4683(Top 83%)
10K6.21 mi3.10 mi7838+19396877+11736877+11735970(Top 21%)5464(Top 34%)5464(Top 97%)
15K9.32 mi3.11 mi7051+7876326+5516326+5515038(Top 18%)4683(Top 29%)4683(Top 83%)
20K12.43 mi3.11 mi7162-1116389-636389-637527(Top 26%)6571(Top 41%)6571(Top 116%)
Half13.11 mi0.68 mi7217-556428-396428-398332(Top 29%)7101(Top 44%)7101(Top 126%)
25K15.53 mi2.42 mi7407-1906551-1236551-1239001(Top 32%)7337(Top 46%)7337(Top 130%)
30K18.64 mi3.11 mi7954-5476845-2946845-29411518(Top 41%)8436(Top 52%)8436(Top 150%)
20M20.00 mi1.36 mi8173-2196951-1066951-10611469(Top 40%)8258(Top 51%)8258(Top 146%)
21M21.00 mi1.00 mi8377-2047037-867037-8612463(Top 44%)8581(Top 53%)8581(Top 152%)
35K21.75 mi0.75 mi8389-127022+157022+159283(Top 33%)6989(Top 43%)6989(Top 124%)
23M23.00 mi1.25 mi8469-807026-47026-410851(Top 38%)7669(Top 48%)7669(Top 136%)
24M24.00 mi1.00 mi8557-887052-267052-2610510(Top 37%)7423(Top 46%)7423(Top 132%)
40K24.85 mi0.85 mi8610-537039+137039+1310886(Top 38%)7496(Top 47%)7496(Top 133%)
25.2M25.20 mi0.35 mi8686-767068-297068-2912997(Top 46%)8442(Top 52%)8442(Top 150%)
Finish26.22 mi1.02 mi8770-847082-147082-1410816(Top 38%)7408(Top 46%)7408(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

5038

Males

4683

M18-39

4683

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5970

Males

5464

M18-39

5464

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

5038

Males

4683

M18-39

4683

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7527

Males

6571

M18-39

6571

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8332

Males

7101

M18-39

7101

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

9001

Males

7337

M18-39

7337

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

11518

Males

8436

M18-39

8436

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11469

Males

8258

M18-39

8258

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12463

Males

8581

M18-39

8581

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9283

Males

6989

M18-39

6989

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10851

Males

7669

M18-39

7669

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10510

Males

7423

M18-39

7423

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10886

Males

7496

M18-39

7496

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12997

Males

8442

M18-39

8442

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10816

Males

7408

M18-39

7408

Passing Analysis

Category:
Athletes Passed
3408
Passed By
2401
Net Change
+1007
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9777
5K → 10K19390+1939#9777#7838
10K → 15K7914+787#7838#7051
15K → 20K105216-111#7051#7162
20K → Half358-55#7162#7217
Half → 25K69259-190#7217#7407
25K → 30K66613-547#7407#7954
30K → 20M47266-219#7954#8173
20M → 21M44248-204#8173#8377
21M → 35K5769-12#8377#8389
35K → 23M92172-80#8389#8469
23M → 24M49137-88#8469#8557
24M → 40K72125-53#8557#8610
40K → 25.2M2096-76#8610#8686
25.2M → Finish54138-84#8686#8770
TOTALS34082401+1007
📊

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