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BOSTON MARATHON 2025

Daniela Rios Olvera

Bib: 17934•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Division (F18-39)
#0 / 5469
Top 31%
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
7:21/mi
22:51
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:06
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:09:27
↑ 67↓ 78
20K· 12.43 mi
7:29/mi
1:32:42
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:37:46
↑ 19↓ 370.5%
25K· 15.53 mi
7:29/mi
1:55:55
↑ 66↓ 880.2%
30K· 18.64 mi
7:45/mi
2:20:00
↑ 181↓ 1480.2%
20M
7:49/mi
2:30:37
↑ 64↓ 500.2%
21M
8:15/mi
2:38:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:44:33
↑ 17↓ 861.7%
23M
7:53/mi
2:54:25
↑ 23↓ 630.6%
24M
7:37/mi
3:02:02
↓ 821.3%
40K· 24.85 mi
7:36/mi
3:08:32
↓ 200.3%
25.2M
8:25/mi
3:11:26
↑ 13↓ 160.2%
Finish· 26.22 mi
7:22/mi
3:18:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:46
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:41:10
Pace7:43 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:0022:517:2122:51
7:21
-
10K
6.21 mi11:36:1546:067:2523:15
7:29
+0:08
15K
9.32 mi11:59:361:09:277:2723:21
7:31
+0:02
20K
12.43 mi12:22:511:32:427:2823:15
7:29
-0:02
Half
13.11 mi12:27:551:37:467:275:04
7:26
-0:03
25K
15.53 mi12:46:041:55:557:2818:09
7:29
+0:03
30K
18.64 mi13:10:092:20:007:3124:05
7:45
+0:16
20M
20.00 mi13:20:462:30:377:3210:37
7:49
+0:04
21M
21.00 mi13:29:012:38:527:348:15
8:15
+0:26
35K
21.75 mi13:34:422:44:337:345:41
7:36
-0:39
23M
23.00 mi13:44:342:54:257:359:52
7:53
+0:17
24M
24.00 mi13:52:113:02:027:357:37
7:37
-0:16
40K
24.85 mi13:58:413:08:327:356:30
7:36
-0:01
25.2M
25.20 mi14:01:353:11:267:362:54
8:25
+0:49
Finish
26.22 mi14:09:053:18:567:367:30
7:22
-1:03

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

7:21 /mi

Average Pace

7:36 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:47

94% of race

Time at Steady Pace

11:09

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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 mi11:13:0022:517:2122:51
7:21
#10906
10K
6.21 mi11:36:1546:067:2523:15
7:29
#11412
15K
9.32 mi11:59:361:09:277:2723:21
7:31
#11548
20K
12.43 mi12:22:511:32:427:2823:15
7:29
#11309
Half
13.11 mi12:27:551:37:467:275:04
7:26
#11295
25K
15.53 mi12:46:041:55:557:2818:09
7:29
#11003
30K
18.64 mi13:10:092:20:007:3124:05
7:45
#10672
20M
20.00 mi13:20:462:30:377:3210:37
7:49
#10524
21M
21.00 mi13:29:012:38:527:348:15
8:15
#10384
35K
21.75 mi13:34:422:44:337:345:41
7:36
#10336
23M
23.00 mi13:44:342:54:257:359:52
7:53
#10222
24M
24.00 mi13:52:113:02:027:357:37
7:37
#10099
40K
24.85 mi13:58:413:08:327:356:30
7:36
#9954
25.2M
25.20 mi14:01:353:11:267:362:54
8:25
#9917
Finish
26.22 mi14:09:053:18:567:367:30
7:22
#9798
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109062235223511903(Top 42%)2846(Top 23%)2846(Top 52%)
10K6.21 mi3.10 mi11412-5062505-2702505-27011964(Top 42%)2796(Top 23%)2796(Top 51%)
15K9.32 mi3.11 mi11548-1362601-962601-9611903(Top 42%)2846(Top 23%)2846(Top 52%)
20K12.43 mi3.11 mi11309+2392506+952506+9510629(Top 37%)2279(Top 19%)2279(Top 42%)
Half13.11 mi0.68 mi11295+142498+82498+811142(Top 39%)2483(Top 20%)2483(Top 45%)
25K15.53 mi2.42 mi11003+2922386+1122386+1129862(Top 35%)2048(Top 17%)2048(Top 37%)
30K18.64 mi3.11 mi10672+3312293+932293+939579(Top 34%)2089(Top 17%)2089(Top 38%)
20M20.00 mi1.36 mi10524+1482266+272266+279137(Top 32%)2042(Top 17%)2042(Top 37%)
21M21.00 mi1.00 mi10384+1402233+332233+338929(Top 31%)2134(Top 17%)2134(Top 39%)
35K21.75 mi0.75 mi10336+482231+22231+29355(Top 33%)2296(Top 19%)2296(Top 42%)
23M23.00 mi1.25 mi10222+1142223+82223+89171(Top 32%)2332(Top 19%)2332(Top 43%)
24M24.00 mi1.00 mi10099+1232190+332190+338562(Top 30%)2124(Top 17%)2124(Top 39%)
40K24.85 mi0.85 mi9954+1452152+382152+387476(Top 26%)1754(Top 14%)1754(Top 32%)
25.2M25.20 mi0.35 mi9917+372151+12151+18326(Top 29%)2206(Top 18%)2206(Top 40%)
Finish26.22 mi1.02 mi9798+1192133+182133+188226(Top 29%)2162(Top 18%)2162(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11903

Females

2846

F18-39

2846

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11964

Females

2796

F18-39

2796

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11903

Females

2846

F18-39

2846

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

10629

Females

2279

F18-39

2279

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

11142

Females

2483

F18-39

2483

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9862

Females

2048

F18-39

2048

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9579

Females

2089

F18-39

2089

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

9137

Females

2042

F18-39

2042

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8929

Females

2134

F18-39

2134

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9355

Females

2296

F18-39

2296

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

9171

Females

2332

F18-39

2332

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8562

Females

2124

F18-39

2124

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7476

Females

1754

F18-39

1754

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8326

Females

2206

F18-39

2206

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8226

Females

2162

F18-39

2162

Passing Analysis

Category:
Athletes Passed
2416*
Passed By
1308
Net Change
+1108
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10906
5K → 10K95601-506#10906#11412
10K → 15K137273-136#11412#11548
15K → 20K30768+239#11548#11309
20K → Half3723+14#11309#11295
Half → 25K32432+292#11295#11003
25K → 30K41180+331#11003#10672
30K → 20M18436+148#10672#10524
20M → 21M18444+140#10524#10384
21M → 35K7830+48#10384#10336
35K → 23M15945+114#10336#10222
23M → 24M14118+123#10222#10099
24M → 40K164*19+145#10099#9954
40K → 25.2M5316+37#9954#9917
25.2M → Finish14223+119#9917#9798
TOTALS2416*1308+1108

* 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