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BOSTON MARATHON 2025

Valentina Olmos

Bib: 16515•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 25%
Division (F18-39)
#0 / 5469
Top 43%
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
7:39/mi
23:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:39/mi
47:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:11:16
↑ 67↓ 78
20K· 12.43 mi
7:43/mi
1:35:13
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:40:26
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
1:59:24
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:24:39
↑ 181↓ 1480.2%
20M
8:10/mi
2:35:45
↑ 64↓ 500.2%
21M
8:40/mi
2:44:25
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:50:20
↑ 17↓ 861.7%
23M
7:54/mi
3:00:14
↑ 23↓ 630.6%
24M
7:44/mi
3:07:58
↓ 821.3%
40K· 24.85 mi
8:00/mi
3:14:48
↓ 200.3%
25.2M
8:27/mi
3:17:43
↑ 13↓ 160.2%
Finish· 26.22 mi
7:13/mi
3:25:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:26
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:44:38
Pace7:59 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:4723:467:3923:46
7:39
-
10K
6.21 mi11:21:3347:327:3923:46
7:39
0:00
15K
9.32 mi11:45:171:11:167:3923:44
7:38
-0:01
20K
12.43 mi12:09:141:35:137:4023:57
7:43
+0:05
Half
13.11 mi12:14:271:40:267:405:13
7:39
-0:04
25K
15.53 mi12:33:251:59:247:4118:58
7:49
+0:10
30K
18.64 mi12:58:402:24:397:4625:15
8:08
+0:19
20M
20.00 mi13:09:462:35:457:4711:06
8:10
+0:02
21M
21.00 mi13:18:262:44:257:508:40
8:40
+0:30
35K
21.75 mi13:24:212:50:207:505:55
7:55
-0:45
23M
23.00 mi13:34:153:00:147:509:54
7:54
-0:01
24M
24.00 mi13:41:593:07:587:507:44
7:44
-0:10
40K
24.85 mi13:48:493:14:487:506:50
8:00
+0:16
25.2M
25.20 mi13:51:443:17:437:512:55
8:27
+0:27
Finish
26.22 mi13:59:053:25:047:507:21
7:13
-1:14

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

7:13 /mi

Average Pace

7:50 /mi

Slowest Pace

8:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:05

15% of race

Time at Steady Pace

1:59:13

58% of race

Time at Slower Pace

54:46

27% of race

Average Pace: 7:49 /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 mi10:57:4723:467:3923:46
7:39
#13534
10K
6.21 mi11:21:3347:327:3923:46
7:39
#13505
15K
9.32 mi11:45:171:11:167:3923:44
7:38
#13287
20K
12.43 mi12:09:141:35:137:4023:57
7:43
#13025
Half
13.11 mi12:14:271:40:267:405:13
7:39
#13020
25K
15.53 mi12:33:251:59:247:4118:58
7:49
#12920
30K
18.64 mi12:58:402:24:397:4625:15
8:08
#12737
20M
20.00 mi13:09:462:35:457:4711:06
8:10
#12625
21M
21.00 mi13:18:262:44:257:508:40
8:40
#12528
35K
21.75 mi13:24:212:50:207:505:55
7:55
#12481
23M
23.00 mi13:34:153:00:147:509:54
7:54
#12258
24M
24.00 mi13:41:593:07:587:507:44
7:44
#12100
40K
24.85 mi13:48:493:14:487:506:50
8:00
#11997
25.2M
25.20 mi13:51:443:17:437:512:55
8:27
#11926
Finish
26.22 mi13:59:053:25:047:507:21
7:13
#11703
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi135343617361712957(Top 46%)3421(Top 28%)3421(Top 63%)
10K6.21 mi3.10 mi13505+293646-293646-2913465(Top 47%)3642(Top 30%)3642(Top 67%)
15K9.32 mi3.11 mi13287+2183563+833563+8312957(Top 46%)3421(Top 28%)3421(Top 63%)
20K12.43 mi3.11 mi13025+2623461+1023461+10212506(Top 44%)3276(Top 27%)3276(Top 60%)
Half13.11 mi0.68 mi13020+53460+13460+112999(Top 46%)3485(Top 29%)3485(Top 64%)
25K15.53 mi2.42 mi12920+1003430+303430+3012544(Top 44%)3420(Top 28%)3420(Top 63%)
30K18.64 mi3.11 mi12737+1833388+423388+4212299(Top 43%)3447(Top 28%)3447(Top 63%)
20M20.00 mi1.36 mi12625+1123374+143374+1411614(Top 41%)3236(Top 26%)3236(Top 59%)
21M21.00 mi1.00 mi12528+973355+193355+1911496(Top 40%)3351(Top 27%)3351(Top 61%)
35K21.75 mi0.75 mi12481+473354+13354+111660(Top 41%)3462(Top 28%)3462(Top 63%)
23M23.00 mi1.25 mi12258+2233274+803274+809385(Top 33%)2452(Top 20%)2452(Top 45%)
24M24.00 mi1.00 mi12100+1583222+523222+529388(Top 33%)2521(Top 21%)2521(Top 46%)
40K24.85 mi0.85 mi11997+1033214+83214+810180(Top 36%)3020(Top 25%)3020(Top 55%)
25.2M25.20 mi0.35 mi11926+713186+283186+288653(Top 30%)2366(Top 19%)2366(Top 43%)
Finish26.22 mi1.02 mi11703+2233109+773109+777164(Top 25%)1723(Top 14%)1723(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12957

Females

3421

F18-39

3421

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

13465

Females

3642

F18-39

3642

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12957

Females

3421

F18-39

3421

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

12506

Females

3276

F18-39

3276

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12999

Females

3485

F18-39

3485

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12544

Females

3420

F18-39

3420

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12299

Females

3447

F18-39

3447

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11614

Females

3236

F18-39

3236

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

11496

Females

3351

F18-39

3351

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11660

Females

3462

F18-39

3462

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

9385

Females

2452

F18-39

2452

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

9388

Females

2521

F18-39

2521

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10180

Females

3020

F18-39

3020

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8653

Females

2366

F18-39

2366

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

7164

Females

1723

F18-39

1723

Passing Analysis

Category:
Athletes Passed
2759
Passed By
928
Net Change
+1831
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13534
5K → 10K293264+29#13534#13505
10K → 15K31496+218#13505#13287
15K → 20K34482+262#13287#13025
20K → Half4439+5#13025#13020
Half → 25K203103+100#13020#12920
25K → 30K316133+183#12920#12737
30K → 20M16755+112#12737#12625
20M → 21M15053+97#12625#12528
21M → 35K8942+47#12528#12481
35K → 23M2329+223#12481#12258
23M → 24M17012+158#12258#12100
24M → 40K13229+103#12100#11997
40K → 25.2M765+71#11997#11926
25.2M → Finish2296+223#11926#11703
TOTALS2759928+1831
📊

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