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BOSTON MARATHON 2025

Jessica Nunez

Bib: 2631•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Female)
#0 / 12228
Top 0.5%
Division (F18-39)
#0 / 5469
Top 1%
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
6:13/mi
19:18
↑ 97↓ 3451.5%
10K· 6.21 mi
6:08/mi
38:21
↑ 79↓ 1380.4%
15K· 9.32 mi
6:09/mi
57:26
↑ 67↓ 78
20K· 12.43 mi
6:10/mi
1:16:36
↑ 106↓ 860.1%
Half· 13.11 mi
6:06/mi
1:20:46
↑ 19↓ 370.5%
25K· 15.53 mi
6:12/mi
1:35:49
↑ 66↓ 880.2%
30K· 18.64 mi
6:19/mi
1:55:26
↑ 181↓ 1480.2%
20M
6:23/mi
2:04:06
↑ 64↓ 500.2%
21M
6:32/mi
2:10:38
↑ 106↓ 241.6%
35K· 21.75 mi
6:32/mi
2:15:32
↑ 17↓ 861.7%
23M
6:23/mi
2:23:32
↑ 23↓ 630.6%
24M
6:14/mi
2:29:46
↓ 821.3%
40K· 24.85 mi
6:15/mi
2:35:07
↓ 200.3%
25.2M
6:46/mi
2:37:27
↑ 13↓ 160.2%
Finish· 26.22 mi
6:06/mi
2:43:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:46
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:22:54
Pace6:19 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1119:186:1319:18
6:13
-
10K
6.21 mi10:39:1438:216:1019:03
6:08
-0:05
15K
9.32 mi10:58:1957:266:1019:05
6:09
+0:01
20K
12.43 mi11:17:291:16:366:1019:10
6:10
+0:01
Half
13.11 mi11:21:391:20:466:104:10
6:06
-0:04
25K
15.53 mi11:36:421:35:496:1015:03
6:12
+0:06
30K
18.64 mi11:56:191:55:266:1219:37
6:19
+0:07
20M
20.00 mi12:04:592:04:066:128:40
6:23
+0:04
21M
21.00 mi12:11:312:10:386:136:32
6:32
+0:09
35K
21.75 mi12:16:252:15:326:144:54
6:32
0:00
23M
23.00 mi12:24:252:23:326:148:00
6:23
-0:09
24M
24.00 mi12:30:392:29:466:146:14
6:14
-0:09
40K
24.85 mi12:36:002:35:076:145:21
6:15
+0:01
25.2M
25.20 mi12:38:202:37:276:152:20
6:46
+0:31
Finish
26.22 mi12:44:332:43:406:156:13
6:06
-0:40

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

6:06 /mi

Average Pace

6:15 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:20

99% of race

Time at Steady Pace

2:20

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /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 mi10:20:1119:186:1319:18
6:13
#1940
10K
6.21 mi10:39:1438:216:1019:03
6:08
#1741
15K
9.32 mi10:58:1957:266:1019:05
6:09
#1666
20K
12.43 mi11:17:291:16:366:1019:10
6:10
#1592
Half
13.11 mi11:21:391:20:466:104:10
6:06
#1588
25K
15.53 mi11:36:421:35:496:1015:03
6:12
#1548
30K
18.64 mi11:56:191:55:266:1219:37
6:19
#1452
20M
20.00 mi12:04:592:04:066:128:40
6:23
#1408
21M
21.00 mi12:11:312:10:386:136:32
6:32
#1344
35K
21.75 mi12:16:252:15:326:144:54
6:32
#1361
23M
23.00 mi12:24:252:23:326:148:00
6:23
#1320
24M
24.00 mi12:30:392:29:466:146:14
6:14
#1287
40K
24.85 mi12:36:002:35:076:145:21
6:15
#1250
25.2M
25.20 mi12:38:202:37:276:152:20
6:46
#1229
Finish
26.22 mi12:44:332:43:406:156:13
6:06
#1208
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 mi194088881584(Top 6%)74(Top 0.6%)74(Top 1%)
10K6.21 mi3.10 mi1741+19979+979+91604(Top 6%)71(Top 0.6%)71(Top 1%)
15K9.32 mi3.11 mi1666+7575+475+41584(Top 6%)74(Top 0.6%)74(Top 1%)
20K12.43 mi3.11 mi1592+7475751459(Top 5%)69(Top 0.6%)69(Top 1%)
Half13.11 mi0.68 mi1588+474+174+11603(Top 6%)72(Top 0.6%)72(Top 1%)
25K15.53 mi2.42 mi1548+4075-175-11497(Top 5%)68(Top 0.6%)68(Top 1%)
30K18.64 mi3.11 mi1452+9673+273+21252(Top 4%)65(Top 0.5%)65(Top 1%)
20M20.00 mi1.36 mi1408+4473731193(Top 4%)63(Top 0.5%)63(Top 1%)
21M21.00 mi1.00 mi1344+6468+568+5775(Top 3%)37(Top 0.3%)37(Top 0.7%)
35K21.75 mi0.75 mi1361-1771-371-32666(Top 9%)191(Top 2%)191(Top 3%)
23M23.00 mi1.25 mi1320+4170+170+11115(Top 4%)57(Top 0.5%)57(Top 1%)
24M24.00 mi1.00 mi1287+3369+169+11140(Top 4%)64(Top 0.5%)64(Top 1%)
40K24.85 mi0.85 mi1250+3768+168+1888(Top 3%)51(Top 0.4%)51(Top 0.9%)
25.2M25.20 mi0.35 mi1229+2167+167+1936(Top 3%)65(Top 0.5%)65(Top 1%)
Finish26.22 mi1.02 mi1208+2167671218(Top 4%)74(Top 0.6%)74(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1584

Females

74

F18-39

74

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1604

Females

71

F18-39

71

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1584

Females

74

F18-39

74

15K→20K

9.3 - 12.4 mi

Top 5%
×5story building
+106ft-86ft

Overall

1459

Females

69

F18-39

69

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1603

Females

72

F18-39

72

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1497

Females

68

F18-39

68

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1252

Females

65

F18-39

65

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1193

Females

63

F18-39

63

20M→21M

20.0 - 21.0 mi

Top 3%
×8story building
+106ft-24ft

Overall

775

Females

37

F18-39

37

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2666

Females

191

F18-39

191

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

1115

Females

57

F18-39

57

23M→24M

23.0 - 24.0 mi

Top 4%
×6story building
+12ft-82ft

Overall

1140

Females

64

F18-39

64

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

888

Females

51

F18-39

51

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

936

Females

65

F18-39

65

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1218

Females

74

F18-39

74

Passing Analysis

Category:
Athletes Passed
938
Passed By
206
Net Change
+732
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1940
5K → 10K22728+199#1940#1741
10K → 15K10429+75#1741#1666
15K → 20K9218+74#1666#1592
20K → Half139+4#1592#1588
Half → 25K5818+40#1588#1548
25K → 30K11620+96#1548#1452
30K → 20M5410+44#1452#1408
20M → 21M673+64#1408#1344
21M → 35K1532-17#1344#1361
35K → 23M5514+41#1361#1320
23M → 24M429+33#1320#1287
24M → 40K403+37#1287#1250
40K → 25.2M232+21#1250#1229
25.2M → Finish3211+21#1229#1208
TOTALS938206+732
📊

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