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BOSTON MARATHON 2025

Deborah Kim

NY

Bib: 15444 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Division (F18-39)
#0 / 5469
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:44/mi
24:03
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:46/mi
48:10
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:47/mi
1:12:22
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:50/mi
1:36:42
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:46/mi
1:42:00
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:48/mi
2:00:55
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:57/mi
2:25:37
↑ 181↓ 1480.2%
138 ft elev
20M
7:51/mi
2:36:17
↑ 64↓ 500.2%
148 ft elev
21M
8:08/mi
2:44:25
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:41/mi
2:50:10
↑ 17↓ 861.7%
156 ft elev
23M
7:49/mi
2:59:57
↑ 23↓ 630.6%
116 ft elev
24M
7:30/mi
3:07:27
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:43/mi
3:14:03
↓ 200.3%
20 ft elev
25.2M
8:07/mi
3:16:51
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:20/mi
3:24:19
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:42:00
Pace7:47 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:42:19
Pace7:48 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1424:037:4424:03
7:44
-
10K
6.21 mi11:20:2148:107:4524:07
7:46
+0:02
15K
9.32 mi11:44:331:12:227:4624:12
7:47
+0:01
20K
12.43 mi12:08:531:36:427:4724:20
7:50
+0:03
Half
13.11 mi12:14:111:42:007:475:18
7:46
-0:04
25K
15.53 mi12:33:062:00:557:4718:55
7:48
+0:02
30K
18.64 mi12:57:482:25:377:4924:42
7:57
+0:09
20M
20.00 mi13:08:282:36:177:4910:40
7:51
-0:06
21M
21.00 mi13:16:362:44:257:508:08
8:08
+0:17
35K
21.75 mi13:22:212:50:107:495:45
7:41
-0:27
23M
23.00 mi13:32:082:59:577:499:47
7:49
+0:08
24M
24.00 mi13:39:383:07:277:497:30
7:30
-0:19
40K
24.85 mi13:46:143:14:037:486:36
7:43
+0:13
25.2M
25.20 mi13:49:023:16:517:492:48
8:07
+0:24
Finish
26.22 mi13:56:303:24:197:487:28
7:20
-0:47

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

7:20 /mi

Average Pace

7:48 /mi

Slowest Pace

8:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:23

95% of race

Time at Steady Pace

10:56

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi10:56:1424:037:4424:03
7:44
#14298
10K
6.21 mi11:20:2148:107:4524:07
7:46
#14335
15K
9.32 mi11:44:331:12:227:4624:12
7:47
#14329
20K
12.43 mi12:08:531:36:427:4724:20
7:50
#14096
Half
13.11 mi12:14:111:42:007:475:18
7:46
#14085
25K
15.53 mi12:33:062:00:557:4718:55
7:48
#13752
30K
18.64 mi12:57:482:25:377:4924:42
7:57
#13187
20M
20.00 mi13:08:282:36:177:4910:40
7:51
#12855
21M
21.00 mi13:16:362:44:257:508:08
8:08
#12527
35K
21.75 mi13:22:212:50:107:495:45
7:41
#12412
23M
23.00 mi13:32:082:59:577:499:47
7:49
#12150
24M
24.00 mi13:39:383:07:277:497:30
7:30
#11929
40K
24.85 mi13:46:143:14:037:486:36
7:43
#11753
25.2M
25.20 mi13:49:023:16:517:492:48
8:07
#11645
Finish
26.22 mi13:56:303:24:197:487:28
7:20
#11447
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi142984097409714278(Top 50%)4181(Top 34%)4181(Top 76%)
10K6.21 mi3.10 mi14335-374139-424139-4214469(Top 51%)4227(Top 35%)4227(Top 77%)
15K9.32 mi3.11 mi14329+64154-154154-1514278(Top 50%)4181(Top 34%)4181(Top 76%)
20K12.43 mi3.11 mi14096+2334057+974057+9713530(Top 48%)3830(Top 31%)3830(Top 70%)
Half13.11 mi0.68 mi14085+114052+54052+513997(Top 49%)4030(Top 33%)4030(Top 74%)
25K15.53 mi2.42 mi13752+3333895+1573895+15712379(Top 44%)3319(Top 27%)3319(Top 61%)
30K18.64 mi3.11 mi13187+5653660+2353660+23511045(Top 39%)2809(Top 23%)2809(Top 51%)
20M20.00 mi1.36 mi12855+3323502+1583502+1589404(Top 33%)2183(Top 18%)2183(Top 40%)
21M21.00 mi1.00 mi12527+3283354+1483354+1488207(Top 29%)1822(Top 15%)1822(Top 33%)
35K21.75 mi0.75 mi12412+1153318+363318+3610043(Top 35%)2629(Top 21%)2629(Top 48%)
23M23.00 mi1.25 mi12150+2623212+1063212+1068721(Top 31%)2140(Top 18%)2140(Top 39%)
24M24.00 mi1.00 mi11929+2213133+793133+797741(Top 27%)1774(Top 15%)1774(Top 32%)
40K24.85 mi0.85 mi11753+1763071+623071+628276(Top 29%)2125(Top 17%)2125(Top 39%)
25.2M25.20 mi0.35 mi11645+1083032+393032+396711(Top 24%)1539(Top 13%)1539(Top 28%)
Finish26.22 mi1.02 mi11447+1982977+552977+558005(Top 28%)2080(Top 17%)2080(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14278

Females

4181

F18-39

4181

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14469

Females

4227

F18-39

4227

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14278

Females

4181

F18-39

4181

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13530

Females

3830

F18-39

3830

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

13997

Females

4030

F18-39

4030

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12379

Females

3319

F18-39

3319

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

11045

Females

2809

F18-39

2809

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9404

Females

2183

F18-39

2183

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

8207

Females

1822

F18-39

1822

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

10043

Females

2629

F18-39

2629

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8721

Females

2140

F18-39

2140

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7741

Females

1774

F18-39

1774

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8276

Females

2125

F18-39

2125

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6711

Females

1539

F18-39

1539

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

8005

Females

2080

F18-39

2080

Passing Analysis

Category:
Athletes Passed
3578
Passed By
727
Net Change
+2851
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14298
5K → 10K271308-37#14298#14335
10K → 15K201195+6#14335#14329
15K → 20K33097+233#14329#14096
20K → Half3827+11#14096#14085
Half → 25K35926+333#14085#13752
25K → 30K59328+565#13752#13187
30K → 20M3353+332#13187#12855
20M → 21M3291+328#12855#12527
21M → 35K12611+115#12527#12412
35K → 23M2697+262#12412#12150
23M → 24M2232+221#12150#11929
24M → 40K1826+176#11929#11753
40K → 25.2M1113+108#11753#11645
25.2M → Finish21113+198#11645#11447
TOTALS3578727+2851
📊

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