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BOSTON MARATHON 2025

Hui Hao

Bib: 9413 M CN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 36%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:09/mi
22:13
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:08/mi
44:22
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:15/mi
1:06:54
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:22/mi
1:29:48
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:11/mi
1:34:42
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:17/mi
1:52:21
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:36/mi
2:15:58
↑ 181↓ 1480.2%
138 ft elev
20M
7:44/mi
2:26:29
↑ 64↓ 500.2%
148 ft elev
21M
8:30/mi
2:34:59
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:44/mi
2:40:46
↑ 17↓ 861.7%
156 ft elev
23M
8:10/mi
2:51:00
↑ 23↓ 630.6%
116 ft elev
24M
8:30/mi
2:59:30
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:23/mi
3:06:40
↓ 200.3%
20 ft elev
25.2M
9:23/mi
3:09:54
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:22/mi
3:18:26
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:34:427:13 /mi⚡ faster
2nd Half
1:43:447:55 /mi+9.5%
Positive split — 9.5% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5922:137:0922:13
7:09
-
10K
6.21 mi11:10:0844:227:0822:09
7:08
-0:01
15K
9.32 mi11:32:401:06:547:1122:32
7:15
+0:07
20K
12.43 mi11:55:341:29:487:1422:54
7:22
+0:07
Half
13.11 mi12:00:281:34:427:134:54
7:11
-0:11
25K
15.53 mi12:18:071:52:217:1417:39
7:17
+0:06
30K
18.64 mi12:41:442:15:587:1823:37
7:36
+0:19
20M
20.00 mi12:52:152:26:297:1910:31
7:44
+0:08
21M
21.00 mi13:00:452:34:597:238:30
8:30
+0:46
35K
21.75 mi13:06:322:40:467:245:47
7:44
-0:46
23M
23.00 mi13:16:462:51:007:2610:14
8:10
+0:26
24M
24.00 mi13:25:162:59:307:298:30
8:30
+0:20
40K
24.85 mi13:32:263:06:407:317:10
8:23
-0:07
25.2M
25.20 mi13:35:403:09:547:323:14
9:23
+1:00
Finish
26.22 mi13:44:123:18:267:348:32
8:22
-1:01

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

7:08 /mi

Average Pace

7:34 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:52:21

57% of race

Time at Steady Pace

39:55

20% of race

Time at Slower Pace

46:10

23% of race

Average Pace: 7:34 /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 mi10:47:5922:137:0922:13
7:09
#9062
10K
6.21 mi11:10:0844:227:0822:09
7:08
#8937
15K
9.32 mi11:32:401:06:547:1122:32
7:15
#9141
20K
12.43 mi11:55:341:29:487:1422:54
7:22
#9209
Half
13.11 mi12:00:281:34:427:134:54
7:11
#9201
25K
15.53 mi12:18:071:52:217:1417:39
7:17
#8964
30K
18.64 mi12:41:442:15:587:1823:37
7:36
#8781
20M
20.00 mi12:52:152:26:297:1910:31
7:44
#8736
21M
21.00 mi13:00:452:34:597:238:30
8:30
#8801
35K
21.75 mi13:06:322:40:467:245:47
7:44
#8838
23M
23.00 mi13:16:462:51:007:2610:14
8:10
#8946
24M
24.00 mi13:25:162:59:307:298:30
8:30
#9216
40K
24.85 mi13:32:263:06:407:317:10
8:23
#9330
25.2M
25.20 mi13:35:403:09:547:323:14
9:23
#9397
Finish
26.22 mi13:44:123:18:267:348:32
8:22
#9653
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi906276477647956978567856
10K6.21 mi3.10 mi8937+1257554+937554+93891575537553
15K9.32 mi3.11 mi9141-2047667-1137667-113956978567856
20K12.43 mi3.11 mi9209-687678-117678-11963978117811
Half13.11 mi0.68 mi9201+87671+77671+7891174337433
25K15.53 mi2.42 mi8964+2377509+1627509+162821068926892
30K18.64 mi3.11 mi8781+1837349+1607349+160846168606860
20M20.00 mi1.36 mi8736+457279+707279+70862067996799
21M21.00 mi1.00 mi8801-657290-117290-111042975677567
35K21.75 mi0.75 mi8838-377287+37287+31025774917491
23M23.00 mi1.25 mi8946-1087302-157302-151118078327832
24M24.00 mi1.00 mi9216-2707431-1297431-1291446393489348
40K24.85 mi0.85 mi9330-1147449-187449-181263883448344
25.2M25.20 mi0.35 mi9397-677469-207469-201379288268826
Finish26.22 mi1.02 mi9653-2567557-887557-881535796379637

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9569

Males

7856

M40-44

7856

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8915

Males

7553

M40-44

7553

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9569

Males

7856

M40-44

7856

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9639

Males

7811

M40-44

7811

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8911

Males

7433

M40-44

7433

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8210

Males

6892

M40-44

6892

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8461

Males

6860

M40-44

6860

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8620

Males

6799

M40-44

6799

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10429

Males

7567

M40-44

7567

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10257

Males

7491

M40-44

7491

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11180

Males

7832

M40-44

7832

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

14463

Males

9348

M40-44

9348

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12638

Males

8344

M40-44

8344

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13792

Males

8826

M40-44

8826

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

15357

Males

9637

M40-44

9637

Passing Analysis

Category:
Athletes Passed
1572
Passed By
2163
Net Change
-591
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9062
5K → 10K281156+125#9062#8937
10K → 15K94298-204#8937#9141
15K → 20K146214-68#9141#9209
20K → Half4032+8#9209#9201
Half → 25K27336+237#9201#8964
25K → 30K308125+183#8964#8781
30K → 20M11873+45#8781#8736
20M → 21M72137-65#8736#8801
21M → 35K4380-37#8801#8838
35K → 23M87195-108#8838#8946
23M → 24M22292-270#8946#9216
24M → 40K50164-114#9216#9330
40K → 25.2M1986-67#9330#9397
25.2M → Finish19275-256#9397#9653
TOTALS15722163-591

Passing Charts

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