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BOSTON MARATHON 2025

Hong Li

Bib: 23043•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 49%
Division (F50-54)
#0 / 1303
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:48/mi
27:19
↑ 97↓ 3451.5%
10K· 6.21 mi
8:43/mi
54:24
↑ 79↓ 1380.4%
15K· 9.32 mi
8:43/mi
1:21:30
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:48:52
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:54:47
↑ 19↓ 370.5%
25K· 15.53 mi
8:53/mi
2:16:19
↑ 66↓ 880.2%
30K· 18.64 mi
9:11/mi
2:44:51
↑ 181↓ 1480.2%
20M
9:10/mi
2:57:19
↑ 64↓ 500.2%
21M
9:35/mi
3:06:54
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
3:13:16
↑ 17↓ 861.7%
23M
8:42/mi
3:24:10
↑ 23↓ 630.6%
24M
8:31/mi
3:32:41
↓ 821.3%
40K· 24.85 mi
8:45/mi
3:40:10
↓ 200.3%
25.2M
9:17/mi
3:43:22
↑ 13↓ 160.2%
Finish· 26.22 mi
8:30/mi
3:52:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:47
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time1:57:15
Pace8:57 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5127:198:4827:19
8:48
-
10K
6.21 mi11:50:5654:248:4527:05
8:43
-0:05
15K
9.32 mi12:18:021:21:308:4527:06
8:43
0:00
20K
12.43 mi12:45:241:48:528:4627:22
8:49
+0:06
Half
13.11 mi12:51:191:54:478:455:55
8:40
-0:09
25K
15.53 mi13:12:512:16:198:4721:32
8:53
+0:13
30K
18.64 mi13:41:232:44:518:5128:32
9:11
+0:18
20M
20.00 mi13:53:512:57:198:5212:28
9:10
-0:01
21M
21.00 mi14:03:263:06:548:549:35
9:35
+0:25
35K
21.75 mi14:09:483:13:168:536:22
8:31
-1:04
23M
23.00 mi14:20:423:24:108:5310:54
8:42
+0:11
24M
24.00 mi14:29:133:32:418:528:31
8:31
-0:11
40K
24.85 mi14:36:423:40:108:517:29
8:45
+0:14
25.2M
25.20 mi14:39:543:43:228:523:12
9:17
+0:32
Finish
26.22 mi14:48:343:52:028:518:40
8:30
-0:47

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

8:30 /mi

Average Pace

8:51 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:42:27

96% of race

Time at Steady Pace

9:35

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:51 /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 mi11:23:5127:198:4827:19
8:48
#21485
10K
6.21 mi11:50:5654:248:4527:05
8:43
#21197
15K
9.32 mi12:18:021:21:308:4527:06
8:43
#20972
20K
12.43 mi12:45:241:48:528:4627:22
8:49
#20726
Half
13.11 mi12:51:191:54:478:455:55
8:40
#20701
25K
15.53 mi13:12:512:16:198:4721:32
8:53
#20494
30K
18.64 mi13:41:232:44:518:5128:32
9:11
#20100
20M
20.00 mi13:53:512:57:198:5212:28
9:10
#19913
21M
21.00 mi14:03:263:06:548:549:35
9:35
#19711
35K
21.75 mi14:09:483:13:168:536:22
8:31
#19566
23M
23.00 mi14:20:423:24:108:5310:54
8:42
#19292
24M
24.00 mi14:29:133:32:418:528:31
8:31
#19100
40K
24.85 mi14:36:423:40:108:517:29
8:45
#18929
25.2M
25.20 mi14:39:543:43:228:523:12
9:17
#18852
Finish
26.22 mi14:48:343:52:028:518:40
8:30
#18746
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi214858352835220611(Top 73%)7779(Top 64%)7779(Top 597%)
10K6.21 mi3.10 mi21197+2888160+1928160+19220971(Top 74%)8001(Top 65%)8001(Top 614%)
15K9.32 mi3.11 mi20972+2258026+1348026+13420611(Top 73%)7779(Top 64%)7779(Top 597%)
20K12.43 mi3.11 mi20726+2467886+1407886+14019981(Top 70%)7466(Top 61%)7466(Top 573%)
Half13.11 mi0.68 mi20701+257873+137873+1320218(Top 71%)7591(Top 62%)7591(Top 583%)
25K15.53 mi2.42 mi20494+2077771+1027771+10219350(Top 68%)7173(Top 59%)7173(Top 550%)
30K18.64 mi3.11 mi20100+3947582+1897582+18918585(Top 65%)6882(Top 56%)6882(Top 528%)
20M20.00 mi1.36 mi19913+1877495+877495+8717677(Top 62%)6521(Top 53%)6521(Top 500%)
21M21.00 mi1.00 mi19711+2027411+847411+8416494(Top 58%)5982(Top 49%)5982(Top 459%)
35K21.75 mi0.75 mi19566+1457344+677344+6715593(Top 55%)5583(Top 46%)5583(Top 428%)
23M23.00 mi1.25 mi19292+2747215+1297215+12914624(Top 51%)5144(Top 42%)5144(Top 395%)
24M24.00 mi1.00 mi19100+1927123+927123+9214674(Top 52%)5210(Top 43%)5210(Top 400%)
40K24.85 mi0.85 mi18929+1717064+597064+5914966(Top 53%)5511(Top 45%)5511(Top 423%)
25.2M25.20 mi0.35 mi18852+777021+437021+4313469(Top 47%)4778(Top 39%)4778(Top 367%)
Finish26.22 mi1.02 mi18746+1066987+346987+3416282(Top 57%)6186(Top 51%)6186(Top 475%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

20611

Females

7779

F50-54

7779

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

20971

Females

8001

F50-54

8001

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

20611

Females

7779

F50-54

7779

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

19981

Females

7466

F50-54

7466

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20218

Females

7591

F50-54

7591

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

19350

Females

7173

F50-54

7173

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18585

Females

6882

F50-54

6882

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17677

Females

6521

F50-54

6521

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16494

Females

5982

F50-54

5982

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15593

Females

5583

F50-54

5583

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14624

Females

5144

F50-54

5144

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14674

Females

5210

F50-54

5210

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14966

Females

5511

F50-54

5511

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13469

Females

4778

F50-54

4778

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

16282

Females

6186

F50-54

6186

Passing Analysis

Category:
Athletes Passed
3249
Passed By
510
Net Change
+2739
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21485
5K → 10K449161+288#21485#21197
10K → 15K31691+225#21197#20972
15K → 20K31266+246#20972#20726
20K → Half4116+25#20726#20701
Half → 25K26053+207#20701#20494
25K → 30K44753+394#20494#20100
30K → 20M20922+187#20100#19913
20M → 21M21412+202#19913#19711
21M → 35K1461+145#19711#19566
35K → 23M2784+274#19566#19292
23M → 24M1975+192#19292#19100
24M → 40K1743+171#19100#18929
40K → 25.2M792+77#18929#18852
25.2M → Finish12721+106#18852#18746
TOTALS3249510+2739
📊

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