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BOSTON MARATHON 2025

Kobi Tobin

Bib: 13090•F

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 33%
Gender (Female)
#0 / 12228
Top 16%
Division (F18-39)
#0 / 5469
Top 28%
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
7:26/mi
23:07
↑ 97↓ 3451.5%
10K· 6.21 mi
7:22/mi
46:01
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:08:57
↑ 67↓ 78
20K· 12.43 mi
7:31/mi
1:32:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:37:24
↑ 19↓ 370.5%
25K· 15.53 mi
7:33/mi
1:55:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:19:37
↑ 181↓ 1480.2%
20M
7:43/mi
2:30:06
↑ 64↓ 500.2%
21M
7:59/mi
2:38:05
↑ 106↓ 241.6%
35K· 21.75 mi
7:26/mi
2:43:39
↑ 17↓ 861.7%
23M
7:41/mi
2:53:16
↑ 23↓ 630.6%
24M
7:38/mi
3:00:54
↓ 821.3%
40K· 24.85 mi
7:37/mi
3:07:25
↓ 200.3%
25.2M
8:16/mi
3:10:16
↑ 13↓ 160.2%
Finish· 26.22 mi
7:09/mi
3:17:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:24
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:40:09
Pace7:38 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0223:077:2623:07
7:26
-
10K
6.21 mi11:14:5646:017:2422:54
7:22
-0:04
15K
9.32 mi11:37:521:08:577:2422:56
7:23
+0:01
20K
12.43 mi12:01:141:32:197:2623:22
7:31
+0:08
Half
13.11 mi12:06:191:37:247:265:05
7:27
-0:04
25K
15.53 mi12:24:371:55:427:2718:18
7:33
+0:06
30K
18.64 mi12:48:322:19:377:2923:55
7:42
+0:09
20M
20.00 mi12:59:012:30:067:3010:29
7:43
+0:01
21M
21.00 mi13:07:002:38:057:327:59
7:59
+0:16
35K
21.75 mi13:12:342:43:397:315:34
7:26
-0:33
23M
23.00 mi13:22:112:53:167:329:37
7:41
+0:15
24M
24.00 mi13:29:493:00:547:327:38
7:38
-0:03
40K
24.85 mi13:36:203:07:257:326:31
7:37
-0:01
25.2M
25.20 mi13:39:113:10:167:332:51
8:16
+0:39
Finish
26.22 mi13:46:283:17:337:327:17
7:09
-1:07

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

7:09 /mi

Average Pace

7:32 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:43

95% of race

Time at Steady Pace

10:50

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:32 /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 mi10:52:0223:077:2623:07
7:26
#11714
10K
6.21 mi11:14:5646:017:2422:54
7:22
#11291
15K
9.32 mi11:37:521:08:577:2422:56
7:23
#11042
20K
12.43 mi12:01:141:32:197:2623:22
7:31
#11002
Half
13.11 mi12:06:191:37:247:265:05
7:27
#11028
25K
15.53 mi12:24:371:55:427:2718:18
7:33
#10877
30K
18.64 mi12:48:322:19:377:2923:55
7:42
#10496
20M
20.00 mi12:59:012:30:067:3010:29
7:43
#10293
21M
21.00 mi13:07:002:38:057:327:59
7:59
#10072
35K
21.75 mi13:12:342:43:397:315:34
7:26
#9950
23M
23.00 mi13:22:112:53:167:329:37
7:41
#9782
24M
24.00 mi13:29:493:00:547:327:38
7:38
#9702
40K
24.85 mi13:36:203:07:257:326:31
7:37
#9582
25.2M
25.20 mi13:39:113:10:167:332:51
8:16
#9519
Finish
26.22 mi13:46:283:17:337:327:17
7:09
#9384
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi117142635263510705(Top 38%)2220(Top 18%)2220(Top 41%)
10K6.21 mi3.10 mi11291+4232445+1902445+19010931(Top 38%)2272(Top 19%)2272(Top 42%)
15K9.32 mi3.11 mi11042+2492342+1032342+10310705(Top 38%)2220(Top 18%)2220(Top 41%)
20K12.43 mi3.11 mi11002+402338+42338+410949(Top 39%)2442(Top 20%)2442(Top 45%)
Half13.11 mi0.68 mi11028-262354-162354-1611332(Top 40%)2577(Top 21%)2577(Top 47%)
25K15.53 mi2.42 mi10877+1512320+342320+3410355(Top 36%)2259(Top 18%)2259(Top 41%)
30K18.64 mi3.11 mi10496+3812206+1142206+1149195(Top 32%)1922(Top 16%)1922(Top 35%)
20M20.00 mi1.36 mi10293+2032142+642142+648478(Top 30%)1747(Top 14%)1747(Top 32%)
21M21.00 mi1.00 mi10072+2212071+712071+717292(Top 26%)1432(Top 12%)1432(Top 26%)
35K21.75 mi0.75 mi9950+1222041+302041+308258(Top 29%)1786(Top 15%)1786(Top 33%)
23M23.00 mi1.25 mi9782+1681998+431998+437804(Top 27%)1741(Top 14%)1741(Top 32%)
24M24.00 mi1.00 mi9702+801992+61992+68673(Top 31%)2168(Top 18%)2168(Top 40%)
40K24.85 mi0.85 mi9582+1201975+171975+177605(Top 27%)1810(Top 15%)1810(Top 33%)
25.2M25.20 mi0.35 mi9519+631958+171958+177526(Top 26%)1866(Top 15%)1866(Top 34%)
Finish26.22 mi1.02 mi9384+1351941+171941+176727(Top 24%)1548(Top 13%)1548(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10705

Females

2220

F18-39

2220

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10931

Females

2272

F18-39

2272

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10705

Females

2220

F18-39

2220

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10949

Females

2442

F18-39

2442

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

11332

Females

2577

F18-39

2577

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10355

Females

2259

F18-39

2259

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9195

Females

1922

F18-39

1922

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8478

Females

1747

F18-39

1747

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

7292

Females

1432

F18-39

1432

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

8258

Females

1786

F18-39

1786

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7804

Females

1741

F18-39

1741

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8673

Females

2168

F18-39

2168

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7605

Females

1810

F18-39

1810

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7526

Females

1866

F18-39

1866

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6727

Females

1548

F18-39

1548

Passing Analysis

Category:
Athletes Passed
3009
Passed By
679
Net Change
+2330
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11714
5K → 10K51693+423#11714#11291
10K → 15K32172+249#11291#11042
15K → 20K193153+40#11042#11002
20K → Half2854-26#11002#11028
Half → 25K23786+151#11028#10877
25K → 30K43958+381#10877#10496
30K → 20M23330+203#10496#10293
20M → 21M23110+221#10293#10072
21M → 35K13513+122#10072#9950
35K → 23M19527+168#9950#9782
23M → 24M11737+80#9782#9702
24M → 40K14020+120#9702#9582
40K → 25.2M685+63#9582#9519
25.2M → Finish15621+135#9519#9384
TOTALS3009679+2330
📊

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