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BOSTON MARATHON 2025

Irena Fradin Klug

Bib: 15679•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 27%
Division (F18-39)
#0 / 5469
Top 45%
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
7:42/mi
23:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
48:00
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:11:59
↑ 67↓ 78
20K· 12.43 mi
7:51/mi
1:36:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:41:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:00:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:04/mi
2:25:48
↑ 181↓ 1480.2%
20M
8:02/mi
2:36:43
↑ 64↓ 500.2%
21M
8:29/mi
2:45:12
↑ 106↓ 241.6%
35K· 21.75 mi
7:45/mi
2:51:00
↑ 17↓ 861.7%
23M
8:05/mi
3:01:07
↑ 23↓ 630.6%
24M
7:51/mi
3:08:58
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:15:46
↓ 200.3%
25.2M
8:33/mi
3:18:43
↑ 13↓ 160.2%
Finish· 26.22 mi
7:29/mi
3:26:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:38
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:44:43
Pace7:59 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3923:547:4223:54
7:42
-
10K
6.21 mi11:19:4548:007:4324:06
7:45
+0:03
15K
9.32 mi11:43:441:11:597:4323:59
7:43
-0:02
20K
12.43 mi12:08:071:36:227:4524:23
7:51
+0:08
Half
13.11 mi12:13:231:41:387:455:16
7:43
-0:08
25K
15.53 mi12:32:292:00:447:4619:06
7:53
+0:10
30K
18.64 mi12:57:332:25:487:4925:04
8:04
+0:11
20M
20.00 mi13:08:282:36:437:5010:55
8:02
-0:02
21M
21.00 mi13:16:572:45:127:528:29
8:29
+0:27
35K
21.75 mi13:22:452:51:007:525:48
7:45
-0:44
23M
23.00 mi13:32:523:01:077:5210:07
8:05
+0:20
24M
24.00 mi13:40:433:08:587:527:51
7:51
-0:14
40K
24.85 mi13:47:313:15:467:536:48
7:57
+0:06
25.2M
25.20 mi13:50:283:18:437:532:57
8:33
+0:36
Finish
26.22 mi13:58:063:26:217:537:38
7:29
-1:04

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

7:29 /mi

Average Pace

7:53 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:55

94% of race

Time at Steady Pace

11:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /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 mi10:55:3923:547:4223:54
7:42
#13924
10K
6.21 mi11:19:4548:007:4324:06
7:45
#14112
15K
9.32 mi11:43:441:11:597:4323:59
7:43
#13959
20K
12.43 mi12:08:071:36:227:4524:23
7:51
#13851
Half
13.11 mi12:13:231:41:387:455:16
7:43
#13823
25K
15.53 mi12:32:292:00:447:4619:06
7:53
#13641
30K
18.64 mi12:57:332:25:487:4925:04
8:04
#13271
20M
20.00 mi13:08:282:36:437:5010:55
8:02
#13020
21M
21.00 mi13:16:572:45:127:528:29
8:29
#12849
35K
21.75 mi13:22:452:51:007:525:48
7:45
#12739
23M
23.00 mi13:32:523:01:077:5210:07
8:05
#12560
24M
24.00 mi13:40:433:08:587:527:51
7:51
#12431
40K
24.85 mi13:47:313:15:467:536:48
7:57
#12306
25.2M
25.20 mi13:50:283:18:437:532:57
8:33
#12244
Finish
26.22 mi13:58:063:26:217:537:38
7:29
#12091
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi139243856385613696(Top 48%)3839(Top 31%)3839(Top 70%)
10K6.21 mi3.10 mi14112-1884001-1454001-14514411(Top 51%)4193(Top 34%)4193(Top 77%)
15K9.32 mi3.11 mi13959+1533942+593942+5913696(Top 48%)3839(Top 31%)3839(Top 70%)
20K12.43 mi3.11 mi13851+1083928+143928+1413665(Top 48%)3904(Top 32%)3904(Top 71%)
Half13.11 mi0.68 mi13823+283921+73921+713579(Top 48%)3801(Top 31%)3801(Top 70%)
25K15.53 mi2.42 mi13641+1823841+803841+8012959(Top 46%)3642(Top 30%)3642(Top 67%)
30K18.64 mi3.11 mi13271+3703701+1403701+14011882(Top 42%)3235(Top 26%)3235(Top 59%)
20M20.00 mi1.36 mi13020+2513592+1093592+10910696(Top 38%)2789(Top 23%)2789(Top 51%)
21M21.00 mi1.00 mi12849+1713532+603532+6010376(Top 37%)2806(Top 23%)2806(Top 51%)
35K21.75 mi0.75 mi12739+1103491+413491+4110521(Top 37%)2872(Top 23%)2872(Top 53%)
23M23.00 mi1.25 mi12560+1793428+633428+6310644(Top 37%)3062(Top 25%)3062(Top 56%)
24M24.00 mi1.00 mi12431+1293391+373391+3710228(Top 36%)2923(Top 24%)2923(Top 53%)
40K24.85 mi0.85 mi12306+1253358+333358+339897(Top 35%)2877(Top 24%)2877(Top 53%)
25.2M25.20 mi0.35 mi12244+623341+173341+179217(Top 32%)2654(Top 22%)2654(Top 49%)
Finish26.22 mi1.02 mi12091+1533290+513290+519151(Top 32%)2608(Top 21%)2608(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

13696

Females

3839

F18-39

3839

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14411

Females

4193

F18-39

4193

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

13696

Females

3839

F18-39

3839

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13665

Females

3904

F18-39

3904

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13579

Females

3801

F18-39

3801

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12959

Females

3642

F18-39

3642

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11882

Females

3235

F18-39

3235

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10696

Females

2789

F18-39

2789

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10376

Females

2806

F18-39

2806

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

10521

Females

2872

F18-39

2872

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10644

Females

3062

F18-39

3062

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10228

Females

2923

F18-39

2923

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9897

Females

2877

F18-39

2877

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9217

Females

2654

F18-39

2654

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

9151

Females

2608

F18-39

2608

Passing Analysis

Category:
Athletes Passed
2782
Passed By
949
Net Change
+1833
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13924
5K → 10K184372-188#13924#14112
10K → 15K275122+153#14112#13959
15K → 20K268160+108#13959#13851
20K → Half4820+28#13851#13823
Half → 25K26987+182#13823#13641
25K → 30K44070+370#13641#13271
30K → 20M2543+251#13271#13020
20M → 21M19221+171#13020#12849
21M → 35K1199+110#12849#12739
35K → 23M21132+179#12739#12560
23M → 24M14920+129#12560#12431
24M → 40K14318+125#12431#12306
40K → 25.2M675+62#12306#12244
25.2M → Finish16310+153#12244#12091
TOTALS2782949+1833
📊

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