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BOSTON MARATHON 2025

Chang Lun Ping

Bib: 15506•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 28%
Division (F18-39)
#0 / 5469
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
7:13/mi
22:24
↑ 97↓ 3451.5%
10K· 6.21 mi
7:06/mi
44:29
↑ 79↓ 1380.4%
15K· 9.32 mi
7:16/mi
1:07:04
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:30:55
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:36:11
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
1:55:46
↑ 66↓ 880.2%
30K· 18.64 mi
8:42/mi
2:22:48
↑ 181↓ 1480.2%
20M
8:42/mi
2:34:37
↑ 64↓ 500.2%
21M
9:31/mi
2:44:08
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
2:50:19
↑ 17↓ 861.7%
23M
8:26/mi
3:00:53
↑ 23↓ 630.6%
24M
8:11/mi
3:09:04
↓ 821.3%
40K· 24.85 mi
8:12/mi
3:16:05
↓ 200.3%
25.2M
8:54/mi
3:19:09
↑ 13↓ 160.2%
Finish· 26.22 mi
7:41/mi
3:26:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:11
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:50:48
Pace8:27 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3022:247:1322:24
7:13
-
10K
6.21 mi11:13:3544:297:1022:05
7:06
-0:07
15K
9.32 mi11:36:101:07:047:1222:35
7:16
+0:10
20K
12.43 mi12:00:011:30:557:1923:51
7:41
+0:25
Half
13.11 mi12:05:171:36:117:205:16
7:43
+0:02
25K
15.53 mi12:24:521:55:467:2719:35
8:05
+0:22
30K
18.64 mi12:51:542:22:487:4027:02
8:42
+0:37
20M
20.00 mi13:03:432:34:377:4411:49
8:42
0:00
21M
21.00 mi13:13:142:44:087:499:31
9:31
+0:49
35K
21.75 mi13:19:252:50:197:506:11
8:16
-1:15
23M
23.00 mi13:29:593:00:537:5210:34
8:26
+0:10
24M
24.00 mi13:38:103:09:047:538:11
8:11
-0:15
40K
24.85 mi13:45:113:16:057:537:01
8:12
+0:01
25.2M
25.20 mi13:48:153:19:097:543:04
8:54
+0:42
Finish
26.22 mi13:56:053:26:597:547:50
7:41
-1:13

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

7:06 /mi

Average Pace

7:54 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:01

50% of race

Time at Steady Pace

51:32

25% of race

Time at Slower Pace

51:26

25% of race

Average Pace: 7:54 /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 mi10:51:3022:247:1322:24
7:13
#9562
10K
6.21 mi11:13:3544:297:1022:05
7:06
#9120
15K
9.32 mi11:36:101:07:047:1222:35
7:16
#9306
20K
12.43 mi12:00:011:30:557:1923:51
7:41
#10016
Half
13.11 mi12:05:171:36:117:205:16
7:43
#10200
25K
15.53 mi12:24:521:55:467:2719:35
8:05
#10917
30K
18.64 mi12:51:542:22:487:4027:02
8:42
#11915
20M
20.00 mi13:03:432:34:377:4411:49
8:42
#12162
21M
21.00 mi13:13:142:44:087:499:31
9:31
#12430
35K
21.75 mi13:19:252:50:197:506:11
8:16
#12474
23M
23.00 mi13:29:593:00:537:5210:34
8:26
#12482
24M
24.00 mi13:38:103:09:047:538:11
8:11
#12459
40K
24.85 mi13:45:113:16:057:537:01
8:12
#12402
25.2M
25.20 mi13:48:153:19:097:543:04
8:54
#12369
Finish
26.22 mi13:56:053:26:597:547:50
7:41
#12276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9562161716179744(Top 34%)1776(Top 15%)1776(Top 32%)
10K6.21 mi3.10 mi9120+4421427+1901427+1908761(Top 31%)1292(Top 11%)1292(Top 24%)
15K9.32 mi3.11 mi9306-1861525-981525-989744(Top 34%)1776(Top 15%)1776(Top 32%)
20K12.43 mi3.11 mi10016-7101875-3501875-35012212(Top 43%)3117(Top 25%)3117(Top 57%)
Half13.11 mi0.68 mi10200-1841970-951970-9513587(Top 48%)3809(Top 31%)3809(Top 70%)
25K15.53 mi2.42 mi10917-7172345-3752345-37514478(Top 51%)4469(Top 37%)4469(Top 82%)
30K18.64 mi3.11 mi11915-9982950-6052950-60516010(Top 56%)5463(Top 45%)5463(Top 100%)
20M20.00 mi1.36 mi12162-2473116-1663116-16615038(Top 53%)5059(Top 41%)5059(Top 93%)
21M21.00 mi1.00 mi12430-2683302-1863302-18616162(Top 57%)5789(Top 47%)5789(Top 106%)
35K21.75 mi0.75 mi12474-443351-493351-4914048(Top 49%)4684(Top 38%)4684(Top 86%)
23M23.00 mi1.25 mi12482-83394-433394-4312936(Top 46%)4230(Top 35%)4230(Top 77%)
24M24.00 mi1.00 mi12459+233403-93403-912475(Top 44%)4029(Top 33%)4029(Top 74%)
40K24.85 mi0.85 mi12402+573407-43407-411617(Top 41%)3709(Top 30%)3709(Top 68%)
25.2M25.20 mi0.35 mi12369+333400+73400+711253(Top 40%)3627(Top 30%)3627(Top 66%)
Finish26.22 mi1.02 mi12276+933395+53395+510645(Top 37%)3290(Top 27%)3290(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9744

Females

1776

F18-39

1776

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8761

Females

1292

F18-39

1292

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9744

Females

1776

F18-39

1776

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12212

Females

3117

F18-39

3117

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13587

Females

3809

F18-39

3809

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14478

Females

4469

F18-39

4469

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

16010

Females

5463

F18-39

5463

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

15038

Females

5059

F18-39

5059

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16162

Females

5789

F18-39

5789

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

14048

Females

4684

F18-39

4684

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12936

Females

4230

F18-39

4230

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

12475

Females

4029

F18-39

4029

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11617

Females

3709

F18-39

3709

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11253

Females

3627

F18-39

3627

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

10645

Females

3290

F18-39

3290

Passing Analysis

Category:
Athletes Passed
1398
Passed By
4110
Net Change
-2714
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9562
5K → 10K51270+442#9562#9120
10K → 15K101287-186#9120#9306
15K → 20K57765-710#9306#10016
20K → Half3187-184#10016#10200
Half → 25K48765-717#10200#10917
25K → 30K551053-998#10917#11915
30K → 20M59306-247#11915#12162
20M → 21M40308-268#12162#12430
21M → 35K5498-44#12430#12474
35K → 23M110118-8#12474#12482
23M → 24M9168+23#12482#12459
24M → 40K9740+57#12459#12402
40K → 25.2M4411+33#12402#12369
25.2M → Finish12734+93#12369#12276
TOTALS13984110-2714
📊

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