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BOSTON MARATHON 2025

Elena Krendelshchikova

Bib: 11791•F

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 20%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 9%
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
7:05/mi
22:01
↑ 97↓ 3451.5%
10K· 6.21 mi
7:00/mi
43:47
↑ 79↓ 1380.4%
15K· 9.32 mi
6:59/mi
1:05:29
↑ 67↓ 78
20K· 12.43 mi
7:01/mi
1:27:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:32:04
↑ 19↓ 370.5%
25K· 15.53 mi
7:04/mi
1:49:13
↑ 66↓ 880.2%
30K· 18.64 mi
7:07/mi
2:11:21
↑ 181↓ 1480.2%
20M
7:10/mi
2:21:06
↑ 64↓ 500.2%
21M
7:35/mi
2:28:41
↑ 106↓ 241.6%
35K· 21.75 mi
6:46/mi
2:33:45
↑ 17↓ 861.7%
23M
7:09/mi
2:42:42
↑ 23↓ 630.6%
24M
6:49/mi
2:49:31
↓ 821.3%
40K· 24.85 mi
7:02/mi
2:55:32
↓ 200.3%
25.2M
7:02/mi
2:57:57
↑ 13↓ 160.2%
Finish· 26.22 mi
6:33/mi
3:04:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:32:04
Pace7:01 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:32:33
Pace7:04 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3722:017:0522:01
7:05
-
10K
6.21 mi11:10:2343:477:0321:46
7:00
-0:05
15K
9.32 mi11:32:051:05:297:0221:42
6:59
-0:01
20K
12.43 mi11:53:531:27:177:0121:48
7:01
+0:02
Half
13.11 mi11:58:401:32:047:014:47
7:01
0:00
25K
15.53 mi12:15:491:49:137:0217:09
7:04
+0:03
30K
18.64 mi12:37:572:11:217:0322:08
7:07
+0:03
20M
20.00 mi12:47:422:21:067:039:45
7:10
+0:03
21M
21.00 mi12:55:172:28:417:057:35
7:35
+0:25
35K
21.75 mi13:00:212:33:457:045:04
6:46
-0:49
23M
23.00 mi13:09:182:42:427:048:57
7:09
+0:23
24M
24.00 mi13:16:072:49:317:046:49
6:49
-0:20
40K
24.85 mi13:22:082:55:327:046:01
7:02
+0:13
25.2M
25.20 mi13:24:332:57:577:042:25
7:02
0:00
Finish
26.22 mi13:31:133:04:377:036:40
6:33
-0:29

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

6:33 /mi

Average Pace

7:03 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:02

96% of race

Time at Steady Pace

7:35

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:02 /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 mi10:48:3722:017:0522:01
7:05
#8520
10K
6.21 mi11:10:2343:477:0321:46
7:00
#8230
15K
9.32 mi11:32:051:05:297:0221:42
6:59
#7944
20K
12.43 mi11:53:531:27:177:0121:48
7:01
#7649
Half
13.11 mi11:58:401:32:047:014:47
7:01
#7644
25K
15.53 mi12:15:491:49:137:0217:09
7:04
#7458
30K
18.64 mi12:37:572:11:217:0322:08
7:07
#6971
20M
20.00 mi12:47:422:21:067:039:45
7:10
#6735
21M
21.00 mi12:55:172:28:417:057:35
7:35
#6578
35K
21.75 mi13:00:212:33:457:045:04
6:46
#6438
23M
23.00 mi13:09:182:42:427:048:57
7:09
#6272
24M
24.00 mi13:16:072:49:317:046:49
6:49
#6087
40K
24.85 mi13:22:082:55:327:046:01
7:02
#5959
25.2M
25.20 mi13:24:332:57:577:042:25
7:02
#5849
Finish
26.22 mi13:31:133:04:377:036:40
6:33
#5657
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8520116911697529(Top 27%)873(Top 7%)873(Top 16%)
10K6.21 mi3.10 mi8230+2901079+901079+907961(Top 28%)986(Top 8%)986(Top 18%)
15K9.32 mi3.11 mi7944+286976+103976+1037529(Top 27%)873(Top 7%)873(Top 16%)
20K12.43 mi3.11 mi7649+295899+77899+776983(Top 25%)771(Top 6%)771(Top 14%)
Half13.11 mi0.68 mi7644+5900-1900-17699(Top 27%)960(Top 8%)960(Top 18%)
25K15.53 mi2.42 mi7458+186855+45855+456817(Top 24%)805(Top 7%)805(Top 15%)
30K18.64 mi3.11 mi6971+487764+91764+915463(Top 19%)544(Top 4%)544(Top 10%)
20M20.00 mi1.36 mi6735+236734+30734+305092(Top 18%)529(Top 4%)529(Top 10%)
21M21.00 mi1.00 mi6578+157718+16718+165067(Top 18%)626(Top 5%)626(Top 11%)
35K21.75 mi0.75 mi6438+140691+27691+274014(Top 14%)408(Top 3%)408(Top 7%)
23M23.00 mi1.25 mi6272+166674+17674+174616(Top 16%)561(Top 5%)561(Top 10%)
24M24.00 mi1.00 mi6087+185640+34640+343647(Top 13%)387(Top 3%)387(Top 7%)
40K24.85 mi0.85 mi5959+128629+11629+114076(Top 14%)529(Top 4%)529(Top 10%)
25.2M25.20 mi0.35 mi5849+110609+20609+201570(Top 6%)134(Top 1%)134(Top 2%)
Finish26.22 mi1.02 mi5657+192580+29580+293053(Top 11%)331(Top 3%)331(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7529

Females

873

F18-39

873

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7961

Females

986

F18-39

986

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7529

Females

873

F18-39

873

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

6983

Females

771

F18-39

771

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7699

Females

960

F18-39

960

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6817

Females

805

F18-39

805

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

5463

Females

544

F18-39

544

30K→20M

18.6 - 20.0 mi

Top 18%
×5story building
+64ft-50ft

Overall

5092

Females

529

F18-39

529

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

5067

Females

626

F18-39

626

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

4014

Females

408

F18-39

408

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4616

Females

561

F18-39

561

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3647

Females

387

F18-39

387

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

4076

Females

529

F18-39

529

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1570

Females

134

F18-39

134

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3053

Females

331

F18-39

331

Passing Analysis

Category:
Athletes Passed
3107
Passed By
244
Net Change
+2863
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8520
5K → 10K394104+290#8520#8230
10K → 15K32236+286#8230#7944
15K → 20K30813+295#7944#7649
20K → Half3025+5#7649#7644
Half → 25K20620+186#7644#7458
25K → 30K4947+487#7458#6971
30K → 20M2437+236#6971#6735
20M → 21M16710+157#6735#6578
21M → 35K1422+140#6578#6438
35K → 23M17913+166#6438#6272
23M → 24M1872+185#6272#6087
24M → 40K1313+128#6087#5959
40K → 25.2M1100+110#5959#5849
25.2M → Finish1942+192#5849#5657
TOTALS3107244+2863
📊

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