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BOSTON MARATHON 2025

Claudia Pham

Bib: 17502•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 44%
Gender (Female)
#0 / 12228
Top 29%
Division (F18-39)
#0 / 5469
Top 48%
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
7:59/mi
24:49
↑ 97↓ 3451.5%
10K· 6.21 mi
8:00/mi
49:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:14:11
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:38:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:44:14
↑ 19↓ 370.5%
25K· 15.53 mi
7:59/mi
2:03:36
↑ 66↓ 880.2%
30K· 18.64 mi
8:03/mi
2:28:37
↑ 181↓ 1480.2%
20M
7:52/mi
2:39:18
↑ 64↓ 500.2%
21M
8:19/mi
2:47:37
↑ 106↓ 241.6%
35K· 21.75 mi
7:51/mi
2:53:29
↑ 17↓ 861.7%
23M
8:02/mi
3:03:33
↑ 23↓ 630.6%
24M
7:44/mi
3:11:17
↓ 821.3%
40K· 24.85 mi
7:47/mi
3:17:56
↓ 200.3%
25.2M
8:25/mi
3:20:50
↑ 13↓ 160.2%
Finish· 26.22 mi
7:10/mi
3:28:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:44:14
Pace7:57 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:54
Pace7:56 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3724:497:5924:49
7:59
-
10K
6.21 mi11:40:2749:397:5924:50
8:00
+0:01
15K
9.32 mi12:04:591:14:117:5824:32
7:54
-0:06
20K
12.43 mi12:29:371:38:497:5724:38
7:56
+0:02
Half
13.11 mi12:35:021:44:147:575:25
7:56
0:00
25K
15.53 mi12:54:242:03:367:5719:22
7:59
+0:03
30K
18.64 mi13:19:252:28:377:5825:01
8:03
+0:04
20M
20.00 mi13:30:062:39:187:5810:41
7:52
-0:11
21M
21.00 mi13:38:252:47:377:598:19
8:19
+0:27
35K
21.75 mi13:44:172:53:297:595:52
7:51
-0:28
23M
23.00 mi13:54:213:03:337:5910:04
8:02
+0:11
24M
24.00 mi14:02:053:11:177:587:44
7:44
-0:18
40K
24.85 mi14:08:443:17:567:586:39
7:47
+0:03
25.2M
25.20 mi14:11:383:20:507:582:54
8:25
+0:38
Finish
26.22 mi14:18:563:28:087:577:18
7:10
-1:15

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

7:10 /mi

Average Pace

7:57 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:14

18% of race

Time at Steady Pace

2:49:54

82% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi11:15:3724:497:5924:49
7:59
#16484
10K
6.21 mi11:40:2749:397:5924:50
8:00
#16434
15K
9.32 mi12:04:591:14:117:5824:32
7:54
#15999
20K
12.43 mi12:29:371:38:497:5724:38
7:56
#15557
Half
13.11 mi12:35:021:44:147:575:25
7:56
#15550
25K
15.53 mi12:54:242:03:367:5719:22
7:59
#15215
30K
18.64 mi13:19:252:28:377:5825:01
8:03
#14461
20M
20.00 mi13:30:062:39:187:5810:41
7:52
#14031
21M
21.00 mi13:38:252:47:377:598:19
8:19
#13710
35K
21.75 mi13:44:172:53:297:595:52
7:51
#13604
23M
23.00 mi13:54:213:03:337:5910:04
8:02
#13375
24M
24.00 mi14:02:053:11:177:587:44
7:44
#13182
40K
24.85 mi14:08:443:17:567:586:39
7:47
#12999
25.2M
25.20 mi14:11:383:20:507:582:54
8:25
#12921
Finish
26.22 mi14:18:563:28:087:577:18
7:10
#12631
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi164845435543515214(Top 54%)4695(Top 38%)4695(Top 86%)
10K6.21 mi3.10 mi16434+505398+375398+3716429(Top 58%)5379(Top 44%)5379(Top 98%)
15K9.32 mi3.11 mi15999+4355145+2535145+25315214(Top 54%)4695(Top 38%)4695(Top 86%)
20K12.43 mi3.11 mi15557+4424897+2484897+24814352(Top 51%)4276(Top 35%)4276(Top 78%)
Half13.11 mi0.68 mi15550+74896+14896+115421(Top 54%)4821(Top 39%)4821(Top 88%)
25K15.53 mi2.42 mi15215+3354730+1664730+16613795(Top 49%)4095(Top 33%)4095(Top 75%)
30K18.64 mi3.11 mi14461+7544368+3624368+36211777(Top 41%)3179(Top 26%)3179(Top 58%)
20M20.00 mi1.36 mi14031+4304154+2144154+2149499(Top 33%)2224(Top 18%)2224(Top 41%)
21M21.00 mi1.00 mi13710+3214007+1474007+1479379(Top 33%)2338(Top 19%)2338(Top 43%)
35K21.75 mi0.75 mi13604+1063972+353972+3511179(Top 39%)3205(Top 26%)3205(Top 59%)
23M23.00 mi1.25 mi13375+2293882+903882+9010368(Top 37%)2926(Top 24%)2926(Top 54%)
24M24.00 mi1.00 mi13182+1933807+753807+759398(Top 33%)2531(Top 21%)2531(Top 46%)
40K24.85 mi0.85 mi12999+1833736+713736+718658(Top 30%)2310(Top 19%)2310(Top 42%)
25.2M25.20 mi0.35 mi12921+783699+373699+378386(Top 30%)2266(Top 19%)2266(Top 41%)
Finish26.22 mi1.02 mi12631+2903567+1323567+1326861(Top 24%)1606(Top 13%)1606(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15214

Females

4695

F18-39

4695

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

16429

Females

5379

F18-39

5379

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15214

Females

4695

F18-39

4695

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

14352

Females

4276

F18-39

4276

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15421

Females

4821

F18-39

4821

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13795

Females

4095

F18-39

4095

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

11777

Females

3179

F18-39

3179

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9499

Females

2224

F18-39

2224

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9379

Females

2338

F18-39

2338

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

11179

Females

3205

F18-39

3205

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10368

Females

2926

F18-39

2926

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

9398

Females

2531

F18-39

2531

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8658

Females

2310

F18-39

2310

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8386

Females

2266

F18-39

2266

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6861

Females

1606

F18-39

1606

Passing Analysis

Category:
Athletes Passed
4311
Passed By
458
Net Change
+3853
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16484
5K → 10K319269+50#16484#16434
10K → 15K48954+435#16434#15999
15K → 20K47331+442#15999#15557
20K → Half4134+7#15557#15550
Half → 25K35621+335#15550#15215
25K → 30K7628+754#15215#14461
30K → 20M4333+430#14461#14031
20M → 21M3232+321#14031#13710
21M → 35K1148+106#13710#13604
35K → 23M24011+229#13604#13375
23M → 24M1985+193#13375#13182
24M → 40K1885+183#13182#12999
40K → 25.2M835+78#12999#12921
25.2M → Finish2922+290#12921#12631
TOTALS4311458+3853
📊

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