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BOSTON MARATHON 2025

Elana Shalomoff

Bib: 11580•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:56
Rank: #11143
Start → 5K
22:56 | 7:23/mi
10K· 6.21 mi
45:27
Rank: #10454 (+689)
5K → 10K
22:31 | 7:15/mi
15K· 9.32 mi
1:07:50
Rank: #10020 (+434)
10K → 15K
22:23 | 7:12/mi
20K· 12.43 mi
1:30:16
Rank: #9530 (+490)
15K → 20K
22:26 | 7:13/mi
Half· 13.11 mi
1:35:09
Rank: #9479 (+51)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:52:35
Rank: #9100 (+379)
Half → 25K
17:26 | 7:11/mi
30K· 18.64 mi
2:15:36
Rank: #8627 (+473)
25K → 30K
23:01 | 7:25/mi
20M
2:25:49
Rank: #8458 (+169)
30K → 20M
10:13 | 7:31/mi
21M
2:33:57
Rank: #8381 (+77)
20M → 21M
8:08 | 8:08/mi
35K· 21.75 mi
2:39:14
Rank: #8248 (+133)
21M → 35K
5:17 | 7:04/mi
23M
2:48:11
Rank: #7902 (+346)
35K → 23M
8:57 | 7:09/mi
24M
2:55:03
Rank: #7673 (+229)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
3:01:05
Rank: #7472 (+201)
24M → 40K
6:02 | 7:03/mi
25.2M
3:03:47
Rank: #7408 (+64)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
3:10:49
Rank: #7280 (+128)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:35:09
Pace7:15 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:40
Pace7:18 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3322:567:2322:56
7:23
-
10K
6.21 mi11:13:0445:277:1922:31
7:15
-0:08
15K
9.32 mi11:35:271:07:507:1722:23
7:12
-0:03
20K
12.43 mi11:57:531:30:167:1622:26
7:13
+0:01
Half
13.11 mi12:02:461:35:097:154:53
7:09
-0:04
25K
15.53 mi12:20:121:52:357:1517:26
7:11
+0:02
30K
18.64 mi12:43:132:15:367:1623:01
7:25
+0:14
20M
20.00 mi12:53:262:25:497:1710:13
7:31
+0:06
21M
21.00 mi13:01:342:33:577:208:08
8:08
+0:37
35K
21.75 mi13:06:512:39:147:195:17
7:04
-1:04
23M
23.00 mi13:15:482:48:117:198:57
7:09
+0:05
24M
24.00 mi13:22:402:55:037:186:52
6:52
-0:17
40K
24.85 mi13:28:423:01:057:176:02
7:03
+0:11
25.2M
25.20 mi13:31:243:03:477:182:42
7:50
+0:47
Finish
26.22 mi13:38:263:10:497:177:02
6:54
-0:56

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

6:52 /mi

Average Pace

7:17 /mi

Slowest Pace

8:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:59

94% of race

Time at Steady Pace

2:42

1% of race

Time at Slower Pace

8:08

4% of race

Average Pace: 7:17 /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 mi10:50:3322:567:2322:56
7:23
#11143
10K
6.21 mi11:13:0445:277:1922:31
7:15
#10454
15K
9.32 mi11:35:271:07:507:1722:23
7:12
#10020
20K
12.43 mi11:57:531:30:167:1622:26
7:13
#9530
Half
13.11 mi12:02:461:35:097:154:53
7:09
#9479
25K
15.53 mi12:20:121:52:357:1517:26
7:11
#9100
30K
18.64 mi12:43:132:15:367:1623:01
7:25
#8627
20M
20.00 mi12:53:262:25:497:1710:13
7:31
#8458
21M
21.00 mi13:01:342:33:577:208:08
8:08
#8381
35K
21.75 mi13:06:512:39:147:195:17
7:04
#8248
23M
23.00 mi13:15:482:48:117:198:57
7:09
#7902
24M
24.00 mi13:22:402:55:037:186:52
6:52
#7673
40K
24.85 mi13:28:423:01:057:176:02
7:03
#7472
25.2M
25.20 mi13:31:243:03:477:182:42
7:50
#7408
Finish
26.22 mi13:38:263:10:497:177:02
6:54
#7280
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11143234523459177(Top 32%)1497(Top 12%)1497(Top 27%)
10K6.21 mi3.10 mi10454+6892031+3142031+3149910(Top 35%)1789(Top 15%)1789(Top 33%)
15K9.32 mi3.11 mi10020+4341848+1831848+1839177(Top 32%)1497(Top 12%)1497(Top 27%)
20K12.43 mi3.11 mi9530+4901653+1951653+1958388(Top 30%)1262(Top 10%)1262(Top 23%)
Half13.11 mi0.68 mi9479+511636+171636+178764(Top 31%)1376(Top 11%)1376(Top 25%)
25K15.53 mi2.42 mi9100+3791492+1441492+1447551(Top 27%)1059(Top 9%)1059(Top 19%)
30K18.64 mi3.11 mi8627+4731348+1441348+1447103(Top 25%)1050(Top 9%)1050(Top 19%)
20M20.00 mi1.36 mi8458+1691313+351313+357145(Top 25%)1192(Top 10%)1192(Top 22%)
21M21.00 mi1.00 mi8381+771321-81321-88178(Top 29%)1793(Top 15%)1793(Top 33%)
35K21.75 mi0.75 mi8248+1331284+371284+375831(Top 21%)873(Top 7%)873(Top 16%)
23M23.00 mi1.25 mi7902+3461207+771207+774622(Top 16%)567(Top 5%)567(Top 10%)
24M24.00 mi1.00 mi7673+2291153+541153+543943(Top 14%)447(Top 4%)447(Top 8%)
40K24.85 mi0.85 mi7472+2011119+341119+344261(Top 15%)576(Top 5%)576(Top 11%)
25.2M25.20 mi0.35 mi7408+641105+141105+145112(Top 18%)910(Top 7%)910(Top 17%)
Finish26.22 mi1.02 mi7280+1281081+241081+245133(Top 18%)906(Top 7%)906(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

9177

Females

1497

F18-39

1497

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9910

Females

1789

F18-39

1789

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

9177

Females

1497

F18-39

1497

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8388

Females

1262

F18-39

1262

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8764

Females

1376

F18-39

1376

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7551

Females

1059

F18-39

1059

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7103

Females

1050

F18-39

1050

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

7145

Females

1192

F18-39

1192

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8178

Females

1793

F18-39

1793

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5831

Females

873

F18-39

873

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4622

Females

567

F18-39

567

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3943

Females

447

F18-39

447

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4261

Females

576

F18-39

576

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5112

Females

910

F18-39

910

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5133

Females

906

F18-39

906

Passing Analysis

Category:
Athletes Passed
4100*
Passed By
237
Net Change
+3863
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11143
5K → 10K73950+689#11143#10454
10K → 15K46127+434#10454#10020
15K → 20K502*12+490#10020#9530
20K → Half6110+51#9530#9479
Half → 25K39213+379#9479#9100
25K → 30K50431+473#9100#8627
30K → 20M18617+169#8627#8458
20M → 21M12750+77#8458#8381
21M → 35K1396+133#8381#8248
35K → 23M3493+346#8248#7902
23M → 24M2323+229#7902#7673
24M → 40K2021+201#7673#7472
40K → 25.2M684+64#7472#7408
25.2M → Finish13810+128#7408#7280
TOTALS4100*237+3863

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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