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BOSTON MARATHON 2025

Olivia Van Nuys

Bib: 17729•F

VA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 27%
Division (F18-39)
#0 / 5469
Top 45%
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
7:37/mi
23:40
↑ 97↓ 3451.5%
10K· 6.21 mi
7:35/mi
47:15
↑ 79↓ 1380.4%
15K· 9.32 mi
7:32/mi
1:10:40
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:34:03
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:39:09
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:57:24
↑ 66↓ 880.2%
30K· 18.64 mi
7:56/mi
2:22:04
↑ 181↓ 1480.2%
20M
8:16/mi
2:33:18
↑ 64↓ 500.2%
21M
8:44/mi
2:42:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
2:48:03
↑ 17↓ 861.7%
23M
8:26/mi
2:58:36
↑ 23↓ 630.6%
24M
8:24/mi
3:07:00
↓ 821.3%
40K· 24.85 mi
8:43/mi
3:14:27
↓ 200.3%
25.2M
9:31/mi
3:17:44
↑ 13↓ 160.2%
Finish· 26.22 mi
8:25/mi
3:26:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:09
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:47:10
Pace8:11 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0023:407:3723:40
7:37
-
10K
6.21 mi11:37:3547:157:3623:35
7:35
-0:02
15K
9.32 mi12:01:001:10:407:3523:25
7:32
-0:03
20K
12.43 mi12:24:231:34:037:3423:23
7:32
0:00
Half
13.11 mi12:29:291:39:097:345:06
7:29
-0:03
25K
15.53 mi12:47:441:57:247:3318:15
7:32
+0:03
30K
18.64 mi13:12:242:22:047:3724:40
7:56
+0:24
20M
20.00 mi13:23:382:33:187:4011:14
8:16
+0:20
21M
21.00 mi13:32:222:42:027:438:44
8:44
+0:28
35K
21.75 mi13:38:232:48:037:446:01
8:03
-0:41
23M
23.00 mi13:48:562:58:367:4610:33
8:26
+0:23
24M
24.00 mi13:57:203:07:007:488:24
8:24
-0:02
40K
24.85 mi14:04:473:14:277:497:27
8:43
+0:19
25.2M
25.20 mi14:08:043:17:447:513:17
9:31
+0:48
Finish
26.22 mi14:16:393:26:197:528:35
8:25
-1:06

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

7:29 /mi

Average Pace

7:52 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:24

57% of race

Time at Steady Pace

41:55

20% of race

Time at Slower Pace

47:00

23% of race

Average Pace: 7:52 /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 mi11:14:0023:407:3723:40
7:37
#13284
10K
6.21 mi11:37:3547:157:3623:35
7:35
#13085
15K
9.32 mi12:01:001:10:407:3523:25
7:32
#12711
20K
12.43 mi12:24:231:34:037:3423:23
7:32
#12229
Half
13.11 mi12:29:291:39:097:345:06
7:29
#12195
25K
15.53 mi12:47:441:57:247:3318:15
7:32
#11829
30K
18.64 mi13:12:242:22:047:3724:40
7:56
#11606
20M
20.00 mi13:23:382:33:187:4011:14
8:16
#11596
21M
21.00 mi13:32:222:42:027:438:44
8:44
#11615
35K
21.75 mi13:38:232:48:037:446:01
8:03
#11638
23M
23.00 mi13:48:562:58:367:4610:33
8:26
#11695
24M
24.00 mi13:57:203:07:007:488:24
8:24
#11784
40K
24.85 mi14:04:473:14:277:497:27
8:43
#11888
25.2M
25.20 mi14:08:043:17:447:513:17
9:31
#11934
Finish
26.22 mi14:16:393:26:197:528:35
8:25
#12083
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi132843485348512101(Top 43%)2959(Top 24%)2959(Top 54%)
10K6.21 mi3.10 mi13085+1993391+943391+9412947(Top 46%)3339(Top 27%)3339(Top 61%)
15K9.32 mi3.11 mi12711+3743212+1793212+17912101(Top 43%)2959(Top 24%)2959(Top 54%)
20K12.43 mi3.11 mi12229+4822995+2172995+21711011(Top 39%)2483(Top 20%)2483(Top 45%)
Half13.11 mi0.68 mi12195+342987+82987+811576(Top 41%)2735(Top 22%)2735(Top 50%)
25K15.53 mi2.42 mi11829+3662835+1522835+15210216(Top 36%)2202(Top 18%)2202(Top 40%)
30K18.64 mi3.11 mi11606+2232788+472788+4710973(Top 39%)2774(Top 23%)2774(Top 51%)
20M20.00 mi1.36 mi11596+102821-332821-3312281(Top 43%)3581(Top 29%)3581(Top 65%)
21M21.00 mi1.00 mi11615-192875-542875-5411903(Top 42%)3540(Top 29%)3540(Top 65%)
35K21.75 mi0.75 mi11638-232905-302905-3012558(Top 44%)3921(Top 32%)3921(Top 72%)
23M23.00 mi1.25 mi11695-572977-722977-7212860(Top 45%)4192(Top 34%)4192(Top 77%)
24M24.00 mi1.00 mi11784-893065-883065-8813879(Top 49%)4746(Top 39%)4746(Top 87%)
40K24.85 mi0.85 mi11888-1043154-893154-8914699(Top 52%)5353(Top 44%)5353(Top 98%)
25.2M25.20 mi0.35 mi11934-463191-373191-3714708(Top 52%)5378(Top 44%)5378(Top 98%)
Finish26.22 mi1.02 mi12083-1493286-953286-9515742(Top 55%)5874(Top 48%)5874(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12101

Females

2959

F18-39

2959

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12947

Females

3339

F18-39

3339

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12101

Females

2959

F18-39

2959

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

11011

Females

2483

F18-39

2483

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11576

Females

2735

F18-39

2735

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10216

Females

2202

F18-39

2202

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10973

Females

2774

F18-39

2774

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12281

Females

3581

F18-39

3581

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11903

Females

3540

F18-39

3540

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

12558

Females

3921

F18-39

3921

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12860

Females

4192

F18-39

4192

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13879

Females

4746

F18-39

4746

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14699

Females

5353

F18-39

5353

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14708

Females

5378

F18-39

5378

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15742

Females

5874

F18-39

5874

Passing Analysis

Category:
Athletes Passed
2607
Passed By
1406
Net Change
+1201
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13284
5K → 10K386187+199#13284#13085
10K → 15K43359+374#13085#12711
15K → 20K50018+482#12711#12229
20K → Half5218+34#12229#12195
Half → 25K38721+366#12195#11829
25K → 30K326103+223#11829#11606
30K → 20M122112+10#11606#11596
20M → 21M101120-19#11596#11615
21M → 35K4871-23#11615#11638
35K → 23M88145-57#11638#11695
23M → 24M56145-89#11695#11784
24M → 40K56160-104#11784#11888
40K → 25.2M1763-46#11888#11934
25.2M → Finish35184-149#11934#12083
TOTALS26071406+1201
📊

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