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BOSTON MARATHON 2025

Jessica Conklin

Bib: 9918•F

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 19%
Gender (Female)
#0 / 12228
Top 4%
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
6:53/mi
21:22
↑ 97↓ 3451.5%
10K· 6.21 mi
6:44/mi
42:16
↑ 79↓ 1380.4%
15K· 9.32 mi
6:49/mi
1:03:27
↑ 67↓ 78
20K· 12.43 mi
6:53/mi
1:24:50
↑ 106↓ 860.1%
Half· 13.11 mi
6:43/mi
1:29:25
↑ 19↓ 370.5%
25K· 15.53 mi
6:57/mi
1:46:15
↑ 66↓ 880.2%
30K· 18.64 mi
7:15/mi
2:08:48
↑ 181↓ 1480.2%
20M
7:16/mi
2:18:40
↑ 64↓ 500.2%
21M
7:48/mi
2:26:28
↑ 106↓ 241.6%
35K· 21.75 mi
7:04/mi
2:31:45
↑ 17↓ 861.7%
23M
7:21/mi
2:40:57
↑ 23↓ 630.6%
24M
7:06/mi
2:48:03
↓ 821.3%
40K· 24.85 mi
7:20/mi
2:54:19
↓ 200.3%
25.2M
7:58/mi
2:57:04
↑ 13↓ 160.2%
Finish· 26.22 mi
6:46/mi
3:03:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:25
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:34:33
Pace7:13 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2621:226:5321:22
6:53
-
10K
6.21 mi11:08:2042:166:4820:54
6:44
-0:09
15K
9.32 mi11:29:311:03:276:4821:11
6:49
+0:05
20K
12.43 mi11:50:541:24:506:5021:23
6:53
+0:04
Half
13.11 mi11:55:291:29:256:494:35
6:43
-0:10
25K
15.53 mi12:12:191:46:156:5016:50
6:57
+0:14
30K
18.64 mi12:34:522:08:486:5522:33
7:15
+0:18
20M
20.00 mi12:44:442:18:406:569:52
7:16
+0:01
21M
21.00 mi12:52:322:26:286:587:48
7:48
+0:32
35K
21.75 mi12:57:492:31:456:595:17
7:04
-0:44
23M
23.00 mi13:07:012:40:577:009:12
7:21
+0:17
24M
24.00 mi13:14:072:48:037:007:06
7:06
-0:15
40K
24.85 mi13:20:232:54:197:016:16
7:20
+0:14
25.2M
25.20 mi13:23:082:57:047:022:45
7:58
+0:38
Finish
26.22 mi13:30:023:03:587:016:54
6:46
-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

6:43 /mi

Average Pace

7:01 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:25

94% of race

Time at Steady Pace

7:48

4% of race

Time at Slower Pace

2:45

1% of race

Average Pace: 7:01 /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 mi10:47:2621:226:5321:22
6:53
#6907
10K
6.21 mi11:08:2042:166:4820:54
6:44
#6326
15K
9.32 mi11:29:311:03:276:4821:11
6:49
#6282
20K
12.43 mi11:50:541:24:506:5021:23
6:53
#6188
Half
13.11 mi11:55:291:29:256:494:35
6:43
#6137
25K
15.53 mi12:12:191:46:156:5016:50
6:57
#6073
30K
18.64 mi12:34:522:08:486:5522:33
7:15
#6036
20M
20.00 mi12:44:442:18:406:569:52
7:16
#5964
21M
21.00 mi12:52:322:26:286:587:48
7:48
#5916
35K
21.75 mi12:57:492:31:456:595:17
7:04
#5882
23M
23.00 mi13:07:012:40:577:009:12
7:21
#5793
24M
24.00 mi13:14:072:48:037:007:06
7:06
#5707
40K
24.85 mi13:20:232:54:197:016:16
7:20
#5650
25.2M
25.20 mi13:23:082:57:047:022:45
7:58
#5609
Finish
26.22 mi13:30:023:03:587:016:54
6:46
#5515
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi69076556556286(Top 22%)579(Top 5%)579(Top 11%)
10K6.21 mi3.10 mi6326+581529+126529+1265622(Top 20%)446(Top 4%)446(Top 8%)
15K9.32 mi3.11 mi6282+44535-6535-66286(Top 22%)579(Top 5%)579(Top 11%)
20K12.43 mi3.11 mi6188+94540-5540-56076(Top 21%)568(Top 5%)568(Top 10%)
Half13.11 mi0.68 mi6137+51533+7533+75529(Top 19%)454(Top 4%)454(Top 8%)
25K15.53 mi2.42 mi6073+64544-11544-115954(Top 21%)577(Top 5%)577(Top 11%)
30K18.64 mi3.11 mi6036+37556-12556-126220(Top 22%)734(Top 6%)734(Top 13%)
20M20.00 mi1.36 mi5964+72558-2558-25573(Top 20%)665(Top 5%)665(Top 12%)
21M21.00 mi1.00 mi5916+48560-2560-26208(Top 22%)986(Top 8%)986(Top 18%)
35K21.75 mi0.75 mi5882+345605605809(Top 20%)851(Top 7%)851(Top 16%)
23M23.00 mi1.25 mi5793+89561-1561-15746(Top 20%)901(Top 7%)901(Top 16%)
24M24.00 mi1.00 mi5707+86557+4557+45240(Top 18%)802(Top 7%)802(Top 15%)
40K24.85 mi0.85 mi5650+57554+3554+35825(Top 21%)1057(Top 9%)1057(Top 19%)
25.2M25.20 mi0.35 mi5609+41558-4558-45841(Top 21%)1167(Top 10%)1167(Top 21%)
Finish26.22 mi1.02 mi5515+94547+11547+114355(Top 15%)648(Top 5%)648(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

6286

Females

579

F18-39

579

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5622

Females

446

F18-39

446

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

6286

Females

579

F18-39

579

15K→20K

9.3 - 12.4 mi

Top 21%
×5story building
+106ft-86ft

Overall

6076

Females

568

F18-39

568

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

5529

Females

454

F18-39

454

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5954

Females

577

F18-39

577

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

6220

Females

734

F18-39

734

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5573

Females

665

F18-39

665

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6208

Females

986

F18-39

986

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5809

Females

851

F18-39

851

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5746

Females

901

F18-39

901

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

5240

Females

802

F18-39

802

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5825

Females

1057

F18-39

1057

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5841

Females

1167

F18-39

1167

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4355

Females

648

F18-39

648

Passing Analysis

Category:
Athletes Passed
2097
Passed By
705
Net Change
+1392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6907
5K → 10K60625+581#6907#6326
10K → 15K169125+44#6326#6282
15K → 20K18389+94#6282#6188
20K → Half598+51#6188#6137
Half → 25K15591+64#6137#6073
25K → 30K191154+37#6073#6036
30K → 20M10937+72#6036#5964
20M → 21M9446+48#5964#5916
21M → 35K6127+34#5916#5882
35K → 23M13445+89#5882#5793
23M → 24M9711+86#5793#5707
24M → 40K8124+57#5707#5650
40K → 25.2M5110+41#5650#5609
25.2M → Finish10713+94#5609#5515
TOTALS2097705+1392
📊

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