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BOSTON MARATHON 2025

Chien Chi Huang

Bib: 28885•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
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
9:34/mi
29:43
↑ 97↓ 3451.5%
10K· 6.21 mi
9:59/mi
1:00:44
↑ 79↓ 1380.4%
15K· 9.32 mi
11:04/mi
1:35:06
↑ 67↓ 78
20K· 12.43 mi
11:06/mi
2:09:36
↑ 106↓ 860.1%
Half· 13.11 mi
11:13/mi
2:17:15
↑ 19↓ 370.5%
25K· 15.53 mi
11:53/mi
2:46:03
↑ 66↓ 880.2%
30K· 18.64 mi
12:39/mi
3:25:21
↑ 181↓ 1480.2%
20M
11:06/mi
3:40:26
↑ 64↓ 500.2%
21M
11:48/mi
3:52:14
↑ 106↓ 241.6%
35K· 21.75 mi
10:23/mi
4:00:00
↑ 17↓ 861.7%
23M
11:01/mi
4:13:48
↑ 23↓ 630.6%
24M
10:45/mi
4:24:33
↓ 821.3%
40K· 24.85 mi
11:07/mi
4:34:03
↓ 200.3%
25.2M
11:24/mi
4:37:59
↑ 13↓ 160.2%
Finish· 26.22 mi
10:43/mi
4:48:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:15
Pace10:28 /mi
2nd Half
Distance13.11 mi
Time2:31:39
Pace11:34 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0929:439:3429:43
9:34
-
10K
6.21 mi12:19:101:00:449:4631:01
9:59
+0:25
15K
9.32 mi12:53:321:35:0610:1234:22
11:04
+1:05
20K
12.43 mi13:28:022:09:3610:2634:30
11:06
+0:02
Half
13.11 mi13:35:412:17:1510:287:39
11:13
+0:07
25K
15.53 mi14:04:292:46:0310:4128:48
11:53
+0:40
30K
18.64 mi14:43:473:25:2111:0139:18
12:39
+0:46
20M
20.00 mi14:58:523:40:2611:0115:05
11:06
-1:33
21M
21.00 mi15:10:403:52:1411:0411:48
11:48
+0:42
35K
21.75 mi15:18:264:00:0011:027:46
10:23
-1:25
23M
23.00 mi15:32:144:13:4811:0213:48
11:01
+0:38
24M
24.00 mi15:42:594:24:3311:0110:45
10:45
-0:16
40K
24.85 mi15:52:294:34:0311:029:30
11:07
+0:22
25.2M
25.20 mi15:56:254:37:5911:023:56
11:24
+0:17
Finish
26.22 mi16:07:204:48:5411:0210:55
10:43
-0:41

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

9:34 /mi

Average Pace

11:02 /mi

Slowest Pace

12:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:25

27% of race

Time at Steady Pace

2:09:35

45% of race

Time at Slower Pace

1:19:54

28% of race

Average Pace: 11:01 /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 mi11:48:0929:439:3429:43
9:34
#24448
10K
6.21 mi12:19:101:00:449:4631:01
9:59
#24912
15K
9.32 mi12:53:321:35:0610:1234:22
11:04
#25717
20K
12.43 mi13:28:022:09:3610:2634:30
11:06
#25851
Half
13.11 mi13:35:412:17:1510:287:39
11:13
#25909
25K
15.53 mi14:04:292:46:0310:4128:48
11:53
#26018
30K
18.64 mi14:43:473:25:2111:0139:18
12:39
#26103
20M
20.00 mi14:58:523:40:2611:0115:05
11:06
#25941
21M
21.00 mi15:10:403:52:1411:0411:48
11:48
#25816
35K
21.75 mi15:18:264:00:0011:027:46
10:23
#25749
23M
23.00 mi15:32:144:13:4811:0213:48
11:01
#25645
24M
24.00 mi15:42:594:24:3311:0110:45
10:45
#25559
40K
24.85 mi15:52:294:34:0311:029:30
11:07
#25483
25.2M
25.20 mi15:56:254:37:5911:023:56
11:24
#25437
Finish
26.22 mi16:07:204:48:5411:0210:55
10:43
#25420
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi244489935993526741(Top 94%)11222(Top 92%)11222(Top 861%)
10K6.21 mi3.10 mi24912-46410181-24610181-24625273(Top 89%)10386(Top 85%)10386(Top 797%)
15K9.32 mi3.11 mi25717-80510623-44210623-44226741(Top 94%)11222(Top 92%)11222(Top 861%)
20K12.43 mi3.11 mi25851-13410707-8410707-8426157(Top 92%)10890(Top 89%)10890(Top 836%)
Half13.11 mi0.68 mi25909-5810739-3210739-3226757(Top 94%)11267(Top 92%)11267(Top 865%)
25K15.53 mi2.42 mi26018-10910808-6910808-6926289(Top 93%)11018(Top 90%)11018(Top 846%)
30K18.64 mi3.11 mi26103-8510881-7310881-7326316(Top 93%)11134(Top 91%)11134(Top 854%)
20M20.00 mi1.36 mi25941+16210800+8110800+8123793(Top 84%)9847(Top 81%)9847(Top 756%)
21M21.00 mi1.00 mi25816+12510753+4710753+4723197(Top 82%)9604(Top 79%)9604(Top 737%)
35K21.75 mi0.75 mi25749+6710723+3010723+3022879(Top 81%)9492(Top 78%)9492(Top 728%)
23M23.00 mi1.25 mi25645+10410683+4010683+4023258(Top 82%)9742(Top 80%)9742(Top 748%)
24M24.00 mi1.00 mi25559+8610646+3710646+3723425(Top 82%)9850(Top 81%)9850(Top 756%)
40K24.85 mi0.85 mi25483+7610619+2710619+2723365(Top 82%)9887(Top 81%)9887(Top 759%)
25.2M25.20 mi0.35 mi25437+4610588+3110588+3121733(Top 77%)9039(Top 74%)9039(Top 694%)
Finish26.22 mi1.02 mi25420+1710587+110587+124742(Top 87%)10536(Top 86%)10536(Top 809%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

26741

Females

11222

F50-54

11222

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25273

Females

10386

F50-54

10386

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

26741

Females

11222

F50-54

11222

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

26157

Females

10890

F50-54

10890

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

26757

Females

11267

F50-54

11267

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26289

Females

11018

F50-54

11018

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

26316

Females

11134

F50-54

11134

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23793

Females

9847

F50-54

9847

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23197

Females

9604

F50-54

9604

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

22879

Females

9492

F50-54

9492

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

23258

Females

9742

F50-54

9742

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

23425

Females

9850

F50-54

9850

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23365

Females

9887

F50-54

9887

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21733

Females

9039

F50-54

9039

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24742

Females

10536

F50-54

10536

Passing Analysis

Category:
Athletes Passed
1039
Passed By
2011
Net Change
-972
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24448
5K → 10K74538-464#24448#24912
10K → 15K12817-805#24912#25717
15K → 20K86220-134#25717#25851
20K → Half866-58#25851#25909
Half → 25K43152-109#25909#26018
25K → 30K81166-85#26018#26103
30K → 20M1697+162#26103#25941
20M → 21M1283+125#25941#25816
21M → 35K736+67#25816#25749
35K → 23M1095+104#25749#25645
23M → 24M926+86#25645#25559
24M → 40K815+76#25559#25483
40K → 25.2M471+46#25483#25437
25.2M → Finish3619+17#25437#25420
TOTALS10392011-972
📊

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