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BOSTON MARATHON 2025

Danika Potvin

Bib: 13859•F

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0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 18%
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
7:20/mi
22:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
45:41
↑ 79↓ 1380.4%
15K· 9.32 mi
7:21/mi
1:08:30
↑ 67↓ 78
20K· 12.43 mi
7:16/mi
1:31:04
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:36:01
↑ 19↓ 370.5%
25K· 15.53 mi
7:12/mi
1:53:28
↑ 66↓ 880.2%
30K· 18.64 mi
7:22/mi
2:16:22
↑ 181↓ 1480.2%
20M
7:24/mi
2:26:26
↑ 64↓ 500.2%
21M
7:43/mi
2:34:09
↑ 106↓ 241.6%
35K· 21.75 mi
7:04/mi
2:39:26
↑ 17↓ 861.7%
23M
7:11/mi
2:48:26
↑ 23↓ 630.6%
24M
7:08/mi
2:55:34
↓ 821.3%
40K· 24.85 mi
7:14/mi
3:01:45
↓ 200.3%
25.2M
7:50/mi
3:04:27
↑ 13↓ 160.2%
Finish· 26.22 mi
6:45/mi
3:11:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:36:01
Pace7:19 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:19
Pace7:16 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3922:467:2022:46
7:20
-
10K
6.21 mi11:14:3445:417:2122:55
7:23
+0:03
15K
9.32 mi11:37:231:08:307:2122:49
7:21
-0:02
20K
12.43 mi11:59:571:31:047:2022:34
7:16
-0:05
Half
13.11 mi12:04:541:36:017:194:57
7:15
-0:01
25K
15.53 mi12:22:211:53:287:1817:27
7:12
-0:03
30K
18.64 mi12:45:152:16:227:1922:54
7:22
+0:10
20M
20.00 mi12:55:192:26:267:1910:04
7:24
+0:02
21M
21.00 mi13:03:022:34:097:207:43
7:43
+0:19
35K
21.75 mi13:08:192:39:267:205:17
7:04
-0:39
23M
23.00 mi13:17:192:48:267:199:00
7:11
+0:07
24M
24.00 mi13:24:272:55:347:197:08
7:08
-0:03
40K
24.85 mi13:30:383:01:457:196:11
7:14
+0:06
25.2M
25.20 mi13:33:203:04:277:192:42
7:50
+0:36
Finish
26.22 mi13:40:133:11:207:186:53
6:45
-1:05

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

6:45 /mi

Average Pace

7:18 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:55

95% of race

Time at Steady Pace

10:25

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:51:3922:467:2022:46
7:20
#10647
10K
6.21 mi11:14:3445:417:2122:55
7:23
#10792
15K
9.32 mi11:37:231:08:307:2122:49
7:21
#10633
20K
12.43 mi11:59:571:31:047:2022:34
7:16
#10109
Half
13.11 mi12:04:541:36:017:194:57
7:15
#10091
25K
15.53 mi12:22:211:53:287:1817:27
7:12
#9613
30K
18.64 mi12:45:152:16:227:1922:54
7:22
#8973
20M
20.00 mi12:55:192:26:267:1910:04
7:24
#8717
21M
21.00 mi13:03:022:34:097:207:43
7:43
#8465
35K
21.75 mi13:08:192:39:267:205:17
7:04
#8320
23M
23.00 mi13:17:192:48:267:199:00
7:11
#8006
24M
24.00 mi13:24:272:55:347:197:08
7:08
#7843
40K
24.85 mi13:30:383:01:457:196:11
7:14
#7688
25.2M
25.20 mi13:33:203:04:277:192:42
7:50
#7616
Finish
26.22 mi13:40:133:11:207:186:53
6:45
#7420
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106472104210410361(Top 36%)2053(Top 17%)2053(Top 38%)
10K6.21 mi3.10 mi10792-1452199-952199-9510981(Top 39%)2292(Top 19%)2292(Top 42%)
15K9.32 mi3.11 mi10633+1592146+532146+5310361(Top 36%)2053(Top 17%)2053(Top 38%)
20K12.43 mi3.11 mi10109+5241916+2301916+2308735(Top 31%)1412(Top 12%)1412(Top 26%)
Half13.11 mi0.68 mi10091+181910+61910+69620(Top 34%)1748(Top 14%)1748(Top 32%)
25K15.53 mi2.42 mi9613+4781729+1811729+1817616(Top 27%)1077(Top 9%)1077(Top 20%)
30K18.64 mi3.11 mi8973+6401500+2291500+2296896(Top 24%)970(Top 8%)970(Top 18%)
20M20.00 mi1.36 mi8717+2561427+731427+736457(Top 23%)947(Top 8%)947(Top 17%)
21M21.00 mi1.00 mi8465+2521354+731354+735775(Top 20%)850(Top 7%)850(Top 16%)
35K21.75 mi0.75 mi8320+1451315+391315+395834(Top 21%)876(Top 7%)876(Top 16%)
23M23.00 mi1.25 mi8006+3141242+731242+734832(Top 17%)630(Top 5%)630(Top 12%)
24M24.00 mi1.00 mi7843+1631224+181224+185448(Top 19%)873(Top 7%)873(Top 16%)
40K24.85 mi0.85 mi7688+1551194+301194+305266(Top 19%)865(Top 7%)865(Top 16%)
25.2M25.20 mi0.35 mi7616+721185+91185+95118(Top 18%)916(Top 7%)916(Top 17%)
Finish26.22 mi1.02 mi7420+1961145+401145+404274(Top 15%)629(Top 5%)629(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

10361

Females

2053

F18-39

2053

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10981

Females

2292

F18-39

2292

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

10361

Females

2053

F18-39

2053

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8735

Females

1412

F18-39

1412

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9620

Females

1748

F18-39

1748

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7616

Females

1077

F18-39

1077

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6896

Females

970

F18-39

970

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6457

Females

947

F18-39

947

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5775

Females

850

F18-39

850

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5834

Females

876

F18-39

876

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4832

Females

630

F18-39

630

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

5448

Females

873

F18-39

873

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5266

Females

865

F18-39

865

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5118

Females

916

F18-39

916

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4274

Females

629

F18-39

629

Passing Analysis

Category:
Athletes Passed
3732*
Passed By
505
Net Change
+3227
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10647
5K → 10K187332-145#10647#10792
10K → 15K24687+159#10792#10633
15K → 20K5295+524#10633#10109
20K → Half4123+18#10109#10091
Half → 25K482*4+478#10091#9613
25K → 30K6455+640#9613#8973
30K → 20M2615+256#8973#8717
20M → 21M26513+252#8717#8465
21M → 35K1483+145#8465#8320
35K → 23M3173+314#8320#8006
23M → 24M17411+163#8006#7843
24M → 40K1627+155#7843#7688
40K → 25.2M742+72#7688#7616
25.2M → Finish2015+196#7616#7420
TOTALS3732*505+3227

* 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