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SF MARATHON 1ST HALF 2025

Aiko Kumano

Fairfield, CA

Bib: 13984 F 28

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Division (F25-29)
#0 / 761
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
10:48/mi
19:33
→ flat
12 ft elev
5.34M
11:13/mi
59:08
↑ 80↓ 74
19 ft elev
6.15M
10:56/mi
1:07:59
↑ 1262.8%
149 ft elev
10.54M
11:48/mi
1:59:47
↑ 230↓ 3610.6%
20 ft elev
11.05M
14:40/mi
2:07:16
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
12:14/mi
2:32:27
↑ 97↓ 1140.2%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:07:5911:03 /mi⚡ faster
2nd Half
1:24:2812:08 /mi+24.2%
Positive split — 24.2% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.81M
19:3310:481.81 mi19:33
10:48
-
5.34M
59:0811:043.53 mi39:35
11:13
+0:25
6.15M
1:07:5911:030.81 mi8:51
10:56
-0:17
10.54M
1:59:4711:224.39 mi51:48
11:48
+0:52
11.05M
2:07:1611:310.51 mi7:29
14:40
+2:52
Finish(13.11 mi)
2:32:2711:382.06 mi25:11
12:14
-2:26
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:48 /mi

Average Pace

11:38 /mi

Slowest Pace

14:40 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

28:24

19% of race

Time at Steady Pace

1:56:34

76% of race

Time at Slower Pace

7:29

5% of race

Average Pace: 11:38 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.81M1.81 mi1.81 mi5409211055854092110558
5.34M5.34 mi3.53 mi5320+892060+50549+953062061550
6.15M6.15 mi0.81 mi5102+2181953+107516+3340461411395
10.54M10.54 mi4.39 mi5132-301981-28533-1751972038549
11.05M11.05 mi0.51 mi5021+1111920+61513+2037051287352
Finish13.11 mi2.06 mi5023-21939-19521-851812120568

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 76%
~flat
+4ft-3ft

Overall

5409

Females

2110

F25-29

559

1.81M→5.34M

1.8 - 5.3 mi

Top 75%
×4story building
+80ft-74ft

Overall

5306

Females

2061

F25-29

551

5.34M→6.15M

5.3 - 6.2 mi

Top 57%
×10story building
+126ft-4ft

Overall

4046

Females

1411

F25-29

396

6.15M→10.54M

6.2 - 10.5 mi

Top 73%
×21story building
+230ft-361ft

Overall

5197

Females

2038

F25-29

549

10.54M→11.05M

10.5 - 11.1 mi

Top 52%
×14story building
+172ft-0ft

Overall

3705

Females

1287

F25-29

353

11.05M→Finish

11.1 - 13.1 mi

Top 73%
×7story building
+97ft-114ft

Overall

5181

Females

2120

F25-29

568

Passing Analysis

Category:
Athletes Passed
870*
Passed By
484
Net Change
+386
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#5409
1.81M → 5.34M295*206+89#5409#5320
5.34M → 6.15M2213+218#5320#5102
6.15M → 10.54M159*189-30#5102#5132
10.54M → 11.05M1198+111#5132#5021
11.05M → Finish76*78-2#5021#5023
TOTALS870*484+386

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

Passing Charts

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Passing Circle

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Position Flow

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Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

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