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BOSTON MARATHON 2025

Julie Potter

Bib: 13878•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 28%
Gender (Female)
#0 / 12228
Top 11%
Division (F18-39)
#0 / 5469
Top 20%
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
7:34/mi
23:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
46:33
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:09:29
↑ 67↓ 78
20K· 12.43 mi
7:20/mi
1:32:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:09/mi
1:37:09
↑ 19↓ 370.5%
25K· 15.53 mi
7:20/mi
1:54:55
↑ 66↓ 880.2%
30K· 18.64 mi
7:25/mi
2:17:57
↑ 181↓ 1480.2%
20M
7:24/mi
2:28:00
↑ 64↓ 500.2%
21M
7:51/mi
2:35:51
↑ 106↓ 241.6%
35K· 21.75 mi
7:06/mi
2:41:10
↑ 17↓ 861.7%
23M
7:14/mi
2:50:14
↑ 23↓ 630.6%
24M
7:04/mi
2:57:18
↓ 821.3%
40K· 24.85 mi
7:09/mi
3:03:25
↓ 200.3%
25.2M
7:44/mi
3:06:05
↑ 13↓ 160.2%
Finish· 26.22 mi
6:50/mi
3:13:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:37:09
Pace7:25 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:54
Pace7:19 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0023:307:3423:30
7:34
-
10K
6.21 mi11:16:0346:337:2923:03
7:25
-0:09
15K
9.32 mi11:38:591:09:297:2722:56
7:23
-0:02
20K
12.43 mi12:01:461:32:167:2522:47
7:20
-0:03
Half
13.11 mi12:06:391:37:097:254:53
7:09
-0:11
25K
15.53 mi12:24:251:54:557:2417:46
7:20
+0:11
30K
18.64 mi12:47:272:17:577:2423:02
7:25
+0:05
20M
20.00 mi12:57:302:28:007:2410:03
7:24
-0:01
21M
21.00 mi13:05:212:35:517:257:51
7:51
+0:27
35K
21.75 mi13:10:402:41:107:255:19
7:06
-0:45
23M
23.00 mi13:19:442:50:147:249:04
7:14
+0:08
24M
24.00 mi13:26:482:57:187:237:04
7:04
-0:10
40K
24.85 mi13:32:553:03:257:236:07
7:09
+0:05
25.2M
25.20 mi13:35:353:06:057:232:40
7:44
+0:35
Finish
26.22 mi13:42:333:13:037:226:58
6:50
-0:54

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

6:50 /mi

Average Pace

7:22 /mi

Slowest Pace

7:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:02

82% of race

Time at Steady Pace

34:01

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:22 /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 mi10:53:0023:307:3423:30
7:34
#12795
10K
6.21 mi11:16:0346:337:2923:03
7:25
#12049
15K
9.32 mi11:38:591:09:297:2722:56
7:23
#11573
20K
12.43 mi12:01:461:32:167:2522:47
7:20
#10973
Half
13.11 mi12:06:391:37:097:254:53
7:09
#10843
25K
15.53 mi12:24:251:54:557:2417:46
7:20
#10430
30K
18.64 mi12:47:272:17:577:2423:02
7:25
#9713
20M
20.00 mi12:57:302:28:007:2410:03
7:24
#9380
21M
21.00 mi13:05:212:35:517:257:51
7:51
#9169
35K
21.75 mi13:10:402:41:107:255:19
7:06
#9013
23M
23.00 mi13:19:442:50:147:249:04
7:14
#8659
24M
24.00 mi13:26:482:57:187:237:04
7:04
#8395
40K
24.85 mi13:32:553:03:257:236:07
7:09
#8207
25.2M
25.20 mi13:35:353:06:057:232:40
7:44
#8129
Finish
26.22 mi13:42:333:13:037:226:58
6:50
#7918
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi127953200320010697(Top 38%)2212(Top 18%)2212(Top 40%)
10K6.21 mi3.10 mi12049+7462835+3652835+36511356(Top 40%)2487(Top 20%)2487(Top 45%)
15K9.32 mi3.11 mi11573+4762611+2242611+22410697(Top 38%)2212(Top 18%)2212(Top 40%)
20K12.43 mi3.11 mi10973+6002323+2882323+2889317(Top 33%)1648(Top 13%)1648(Top 30%)
Half13.11 mi0.68 mi10843+1302262+612262+618775(Top 31%)1387(Top 11%)1387(Top 25%)
25K15.53 mi2.42 mi10430+4132098+1642098+1648588(Top 30%)1459(Top 12%)1459(Top 27%)
30K18.64 mi3.11 mi9713+7171832+2661832+2667147(Top 25%)1070(Top 9%)1070(Top 20%)
20M20.00 mi1.36 mi9380+3331713+1191713+1196385(Top 22%)925(Top 8%)925(Top 17%)
21M21.00 mi1.00 mi9169+2111646+671646+676525(Top 23%)1116(Top 9%)1116(Top 20%)
35K21.75 mi0.75 mi9013+1561601+451601+456074(Top 21%)953(Top 8%)953(Top 17%)
23M23.00 mi1.25 mi8659+3541491+1101491+1105163(Top 18%)727(Top 6%)727(Top 13%)
24M24.00 mi1.00 mi8395+2641427+641427+645080(Top 18%)764(Top 6%)764(Top 14%)
40K24.85 mi0.85 mi8207+1881382+451382+454843(Top 17%)739(Top 6%)739(Top 14%)
25.2M25.20 mi0.35 mi8129+781365+171365+174619(Top 16%)766(Top 6%)766(Top 14%)
Finish26.22 mi1.02 mi7918+2111323+421323+424760(Top 17%)785(Top 6%)785(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10697

Females

2212

F18-39

2212

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

11356

Females

2487

F18-39

2487

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10697

Females

2212

F18-39

2212

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

9317

Females

1648

F18-39

1648

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8775

Females

1387

F18-39

1387

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8588

Females

1459

F18-39

1459

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

7147

Females

1070

F18-39

1070

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

6385

Females

925

F18-39

925

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6525

Females

1116

F18-39

1116

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

6074

Females

953

F18-39

953

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

5163

Females

727

F18-39

727

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

5080

Females

764

F18-39

764

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4843

Females

739

F18-39

739

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4619

Females

766

F18-39

766

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4760

Females

785

F18-39

785

Passing Analysis

Category:
Athletes Passed
5012*
Passed By
135
Net Change
+4877
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12795
5K → 10K80256+746#12795#12049
10K → 15K50428+476#12049#11573
15K → 20K6077+600#11573#10973
20K → Half1333+130#10973#10843
Half → 25K4229+413#10843#10430
25K → 30K719*2+717#10430#9713
30K → 20M3330+333#9713#9380
20M → 21M22211+211#9380#9169
21M → 35K1593+156#9169#9013
35K → 23M3562+354#9013#8659
23M → 24M2684+264#8659#8395
24M → 40K1902+188#8395#8207
40K → 25.2M813+78#8207#8129
25.2M → Finish2165+211#8129#7918
TOTALS5012*135+4877

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

📊

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