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BOSTON MARATHON 2025

Jordan Klumb

Bib: 30420•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:47
Rank: #24524
Start → 5K
9:35/mi
29:47 split
10K· 6.21 mi
59:37
Rank: #24441 (+83)
5K → 10K
9:36/mi
29:50 split
15K· 9.32 mi
1:29:36
Rank: #24347 (+94)
10K → 15K
9:39/mi
29:59 split
20K· 12.43 mi
1:59:05
Rank: #23960 (+387)
15K → 20K
9:29/mi
29:29 split
Half· 13.11 mi
2:05:35
Rank: #23939 (+21)
20K → Half
9:32/mi
6:30 split
25K· 15.53 mi
2:28:39
Rank: #23605 (+334)
Half → 25K
9:31/mi
23:04 split
30K· 18.64 mi
3:02:02
Rank: #23573 (+32)
25K → 30K
10:45/mi
33:23 split
20M
3:16:19
Rank: #23480 (+93)
30K → 20M
10:31/mi
14:17 split
21M
3:27:09
Rank: #23318 (+162)
20M → 21M
10:50/mi
10:50 split
35K· 21.75 mi
3:34:16
Rank: #23228 (+90)
21M → 35K
9:31/mi
7:07 split
23M
3:47:08
Rank: #23126 (+102)
35K → 23M
10:17/mi
12:52 split
24M
3:57:25
Rank: #23074 (+52)
23M → 24M
10:17/mi
10:17 split
40K· 24.85 mi
4:06:20
Rank: #23020 (+54)
24M → 40K
10:26/mi
8:55 split
25.2M
4:09:57
Rank: #22974 (+46)
40K → 25.2M
10:29/mi
3:37 split
Finish· 26.22 mi
4:19:13
Rank: #22865 (+109)
25.2M → Finish
9:06/mi
9:16 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:35
Pace9:35 /mi
2nd Half
Distance13.11 mi
Time2:13:38
Pace10:12 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2629:479:3529:47
9:35
-
10K
6.21 mi12:21:1659:379:3629:50
9:36
+0:01
15K
9.32 mi12:51:151:29:369:3729:59
9:39
+0:03
20K
12.43 mi13:20:441:59:059:3529:29
9:29
-0:10
Half
13.11 mi13:27:142:05:359:356:30
9:32
+0:03
25K
15.53 mi13:50:182:28:399:3423:04
9:31
-0:01
30K
18.64 mi14:23:413:02:029:4633:23
10:45
+1:14
20M
20.00 mi14:37:583:16:199:4914:17
10:31
-0:14
21M
21.00 mi14:48:483:27:099:5210:50
10:50
+0:19
35K
21.75 mi14:55:553:34:169:517:07
9:31
-1:19
23M
23.00 mi15:08:473:47:089:5312:52
10:17
+0:46
24M
24.00 mi15:19:043:57:259:5410:17
10:17
0:00
40K
24.85 mi15:27:594:06:209:558:55
10:26
+0:09
25.2M
25.20 mi15:31:364:09:579:553:37
10:29
+0:03
Finish
26.22 mi15:40:524:19:139:549:16
9:06
-1:23

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

9:06 /mi

Average Pace

9:54 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:02

64% of race

Time at Steady Pace

49:58

19% of race

Time at Slower Pace

44:13

17% of race

Average Pace: 9:53 /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 mi11:51:2629:479:3529:47
9:35
#24524
10K
6.21 mi12:21:1659:379:3629:50
9:36
#24441
15K
9.32 mi12:51:151:29:369:3729:59
9:39
#24347
20K
12.43 mi13:20:441:59:059:3529:29
9:29
#23960
Half
13.11 mi13:27:142:05:359:356:30
9:32
#23939
25K
15.53 mi13:50:182:28:399:3423:04
9:31
#23605
30K
18.64 mi14:23:413:02:029:4633:23
10:45
#23573
20M
20.00 mi14:37:583:16:199:4914:17
10:31
#23480
21M
21.00 mi14:48:483:27:099:5210:50
10:50
#23318
35K
21.75 mi14:55:553:34:169:517:07
9:31
#23228
23M
23.00 mi15:08:473:47:089:5312:52
10:17
#23126
24M
24.00 mi15:19:043:57:259:5410:17
10:17
#23074
40K
24.85 mi15:27:594:06:209:558:55
10:26
#23020
25.2M
25.20 mi15:31:364:09:579:553:37
10:29
#22974
Finish
26.22 mi15:40:524:19:139:549:16
9:06
#22865
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi245249969996924150(Top 85%)9754(Top 80%)9754(Top 178%)
10K6.21 mi3.10 mi24441+839918+519918+5124373(Top 86%)9894(Top 81%)9894(Top 181%)
15K9.32 mi3.11 mi24347+949871+479871+4724150(Top 85%)9754(Top 80%)9754(Top 178%)
20K12.43 mi3.11 mi23960+3879673+1989673+19822874(Top 81%)9081(Top 74%)9081(Top 166%)
Half13.11 mi0.68 mi23939+219661+129661+1223654(Top 83%)9515(Top 78%)9515(Top 174%)
25K15.53 mi2.42 mi23605+3349481+1809481+18021921(Top 77%)8612(Top 70%)8612(Top 157%)
30K18.64 mi3.11 mi23573+329495-149495-1423487(Top 83%)9599(Top 79%)9599(Top 176%)
20M20.00 mi1.36 mi23480+939461+349461+3422464(Top 79%)9139(Top 75%)9139(Top 167%)
21M21.00 mi1.00 mi23318+1629400+619400+6120946(Top 74%)8428(Top 69%)8428(Top 154%)
35K21.75 mi0.75 mi23228+909357+439357+4320410(Top 72%)8201(Top 67%)8201(Top 150%)
23M23.00 mi1.25 mi23126+1029336+219336+2121365(Top 75%)8733(Top 71%)8733(Top 160%)
24M24.00 mi1.00 mi23074+529329+79329+722210(Top 78%)9243(Top 76%)9243(Top 169%)
40K24.85 mi0.85 mi23020+549316+139316+1321736(Top 77%)9061(Top 74%)9061(Top 166%)
25.2M25.20 mi0.35 mi22974+469300+169300+1619041(Top 67%)7680(Top 63%)7680(Top 140%)
Finish26.22 mi1.02 mi22865+1099252+489252+4819527(Top 69%)7885(Top 64%)7885(Top 144%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

24150

Females

9754

F18-39

9754

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

24373

Females

9894

F18-39

9894

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

24150

Females

9754

F18-39

9754

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

22874

Females

9081

F18-39

9081

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23654

Females

9515

F18-39

9515

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

21921

Females

8612

F18-39

8612

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

23487

Females

9599

F18-39

9599

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

22464

Females

9139

F18-39

9139

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

20946

Females

8428

F18-39

8428

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20410

Females

8201

F18-39

8201

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

21365

Females

8733

F18-39

8733

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22210

Females

9243

F18-39

9243

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21736

Females

9061

F18-39

9061

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19041

Females

7680

F18-39

7680

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19527

Females

7885

F18-39

7885

Passing Analysis

Category:
Athletes Passed
2218
Passed By
559
Net Change
+1659
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24524
5K → 10K255172+83#24524#24441
10K → 15K19197+94#24441#24347
15K → 20K39710+387#24347#23960
20K → Half3413+21#23960#23939
Half → 25K3406+334#23939#23605
25K → 30K165133+32#23605#23573
30K → 20M12532+93#23573#23480
20M → 21M1719+162#23480#23318
21M → 35K955+90#23318#23228
35K → 23M13028+102#23228#23126
23M → 24M7826+52#23126#23074
24M → 40K7319+54#23074#23020
40K → 25.2M482+46#23020#22974
25.2M → Finish1167+109#22974#22865
TOTALS2218559+1659
📊

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