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BOSTON MARATHON 2025

Jessica Feldman

Bib: 21954•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 46%
Masters (Masters Women)
#0 / 6759
Top 34%
Division (F40-44)
#0 / 1718
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
8:14/mi
25:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
51:31
↑ 79↓ 1380.4%
15K· 9.32 mi
8:16/mi
1:17:12
↑ 67↓ 78
20K· 12.43 mi
8:24/mi
1:43:19
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:48:57
↑ 19↓ 370.5%
25K· 15.53 mi
8:29/mi
2:09:30
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:36:23
↑ 181↓ 1480.2%
20M
8:48/mi
2:48:21
↑ 64↓ 500.2%
21M
9:13/mi
2:57:34
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
3:03:55
↑ 17↓ 861.7%
23M
8:50/mi
3:14:59
↑ 23↓ 630.6%
24M
8:31/mi
3:23:30
↓ 821.3%
40K· 24.85 mi
8:39/mi
3:30:54
↓ 200.3%
25.2M
9:11/mi
3:34:04
↑ 13↓ 160.2%
Finish· 26.22 mi
7:59/mi
3:42:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:57
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:53:15
Pace8:38 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0425:368:1425:36
8:14
-
10K
6.21 mi11:45:5951:318:1725:55
8:21
+0:07
15K
9.32 mi12:11:401:17:128:1725:41
8:16
-0:05
20K
12.43 mi12:37:471:43:198:1926:07
8:24
+0:08
Half
13.11 mi12:43:251:48:578:195:38
8:15
-0:09
25K
15.53 mi13:03:582:09:308:2020:33
8:29
+0:14
30K
18.64 mi13:30:512:36:238:2326:53
8:39
+0:10
20M
20.00 mi13:42:492:48:218:2511:58
8:48
+0:09
21M
21.00 mi13:52:022:57:348:279:13
9:13
+0:25
35K
21.75 mi13:58:233:03:558:276:21
8:29
-0:44
23M
23.00 mi14:09:273:14:598:2911:04
8:50
+0:21
24M
24.00 mi14:17:583:23:308:298:31
8:31
-0:19
40K
24.85 mi14:25:223:30:548:297:24
8:39
+0:08
25.2M
25.20 mi14:28:323:34:048:303:10
9:11
+0:32
Finish
26.22 mi14:36:403:42:128:298:08
7:59
-1:12

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

7:59 /mi

Average Pace

8:29 /mi

Slowest Pace

9:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:47

84% of race

Time at Steady Pace

35:25

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:28 /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 mi11:20:0425:368:1425:36
8:14
#18367
10K
6.21 mi11:45:5951:318:1725:55
8:21
#18552
15K
9.32 mi12:11:401:17:128:1725:41
8:16
#18299
20K
12.43 mi12:37:471:43:198:1926:07
8:24
#18083
Half
13.11 mi12:43:251:48:578:195:38
8:15
#18044
25K
15.53 mi13:03:582:09:308:2020:33
8:29
#17826
30K
18.64 mi13:30:512:36:238:2326:53
8:39
#17405
20M
20.00 mi13:42:492:48:218:2511:58
8:48
#17248
21M
21.00 mi13:52:022:57:348:279:13
9:13
#17064
35K
21.75 mi13:58:233:03:558:276:21
8:29
#16989
23M
23.00 mi14:09:273:14:598:2911:04
8:50
#16864
24M
24.00 mi14:17:583:23:308:298:31
8:31
#16746
40K
24.85 mi14:25:223:30:548:297:24
8:39
#16642
25.2M
25.20 mi14:28:323:34:048:303:10
9:11
#16584
Finish
26.22 mi14:36:403:42:128:298:08
7:59
#16408
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi183676564656417831(Top 63%)6220(Top 51%)6220(Top 362%)
10K6.21 mi3.10 mi18552-1856645-816645-8118824(Top 66%)6774(Top 55%)6774(Top 394%)
15K9.32 mi3.11 mi18299+2536506+1396506+13917831(Top 63%)6220(Top 51%)6220(Top 362%)
20K12.43 mi3.11 mi18083+2166385+1216385+12117593(Top 62%)6105(Top 50%)6105(Top 355%)
Half13.11 mi0.68 mi18044+396366+196366+1917675(Top 62%)6129(Top 50%)6129(Top 357%)
25K15.53 mi2.42 mi17826+2186256+1106256+11017039(Top 60%)5874(Top 48%)5874(Top 342%)
30K18.64 mi3.11 mi17405+4216060+1966060+19615735(Top 55%)5306(Top 43%)5306(Top 309%)
20M20.00 mi1.36 mi17248+1575994+665994+6615721(Top 55%)5434(Top 44%)5434(Top 316%)
21M21.00 mi1.00 mi17064+1845915+795915+7914742(Top 52%)5029(Top 41%)5029(Top 293%)
35K21.75 mi0.75 mi16989+755892+235892+2315429(Top 54%)5485(Top 45%)5485(Top 319%)
23M23.00 mi1.25 mi16864+1255852+405852+4015342(Top 54%)5516(Top 45%)5516(Top 321%)
24M24.00 mi1.00 mi16746+1185809+435809+4314648(Top 52%)5184(Top 42%)5184(Top 302%)
40K24.85 mi0.85 mi16642+1045778+315778+3114404(Top 51%)5196(Top 42%)5196(Top 302%)
25.2M25.20 mi0.35 mi16584+585750+285750+2812920(Top 45%)4478(Top 37%)4478(Top 261%)
Finish26.22 mi1.02 mi16408+1765673+775673+7712797(Top 45%)4340(Top 35%)4340(Top 253%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17831

Females

6220

F40-44

6220

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18824

Females

6774

F40-44

6774

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17831

Females

6220

F40-44

6220

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

17593

Females

6105

F40-44

6105

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17675

Females

6129

F40-44

6129

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

17039

Females

5874

F40-44

5874

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15735

Females

5306

F40-44

5306

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

15721

Females

5434

F40-44

5434

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14742

Females

5029

F40-44

5029

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15429

Females

5485

F40-44

5485

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15342

Females

5516

F40-44

5516

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14648

Females

5184

F40-44

5184

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14404

Females

5196

F40-44

5196

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12920

Females

4478

F40-44

4478

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12797

Females

4340

F40-44

4340

Passing Analysis

Category:
Athletes Passed
2801
Passed By
842
Net Change
+1959
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18367
5K → 10K191376-185#18367#18552
10K → 15K33178+253#18552#18299
15K → 20K29377+216#18299#18083
20K → Half5617+39#18083#18044
Half → 25K27254+218#18044#17826
25K → 30K46241+421#17826#17405
30K → 20M19134+157#17405#17248
20M → 21M21026+184#17248#17064
21M → 35K10530+75#17064#16989
35K → 23M17146+125#16989#16864
23M → 24M14022+118#16864#16746
24M → 40K12824+104#16746#16642
40K → 25.2M646+58#16642#16584
25.2M → Finish18711+176#16584#16408
TOTALS2801842+1959
📊

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