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SF MARATHON 2ND HALF 2026

Kelsey Boimov

Bib: 22633•F•Age: 33

san francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 17%
Gender (Female)
#0 / 1760
Top 8%
Division (F30-34)
#0 / 408
Top 8%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
8:23/mi
16:46
↑ 138↓ 680.7%
4M
7:48/mi
32:21
↑ 1631.4%
6M
10:09/mi
52:39
↑ 55↓ 830.3%
8M
6:16/mi
1:05:11
↑ 65↓ 1510.8%
10M
8:39/mi
1:22:29
↑ 61↓ 1741.1%
12M
8:58/mi
1:40:25
↑ 41↓ 530.1%
Finish· 13.11 mi
8:22/mi
1:49:42
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time52:39
Pace8:47 /mi
2nd Half
Distance7.11 mi
Time57:03
Pace8:01 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:48:5916:468:2316:46
8:23
-
4M
4.00 mi09:04:3432:218:0515:35
7:48
-0:35
6M
6.00 mi09:24:5252:398:4720:18
10:09
+2:21
8M
8.00 mi09:37:241:05:118:0912:32
6:16
-3:53
10M
10.00 mi09:54:421:22:298:1517:18
8:39
+2:23
12M
12.00 mi10:12:381:40:258:2217:56
8:58
+0:19
Finish
13.11 mi10:21:551:49:428:229:17
8:22
-0:36

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

6:16 /mi

Average Pace

8:22 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:07

26% of race

Time at Steady Pace

43:21

40% of race

Time at Slower Pace

38:14

35% of race

Average Pace: 8:22 /mi

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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...
0mi3.3mi6.6mi9.8mi13.1mi
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
2M
2.00 mi08:48:5916:468:2316:46
8:23
#673
4M
4.00 mi09:04:3432:218:0515:35
7:48
#656
6M
6.00 mi09:24:5252:398:4720:18
10:09
#650
8M
8.00 mi09:37:241:05:118:0912:32
6:16
#654
10M
10.00 mi09:54:421:22:298:1517:18
8:39
#660
12M
12.00 mi10:12:381:40:258:2217:56
8:58
#654
Finish
13.11 mi10:21:551:49:428:229:17
8:22
#635
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi67314828720(Top 19%)187(Top 11%)43(Top 11%)
4M4.00 mi2.00 mi656+17152-431-3645(Top 17%)148(Top 8%)31(Top 8%)
6M6.00 mi2.00 mi650+615230+1681(Top 18%)155(Top 9%)32(Top 8%)
8M8.00 mi2.00 mi654-4145+729+1626(Top 16%)139(Top 8%)33(Top 8%)
10M10.00 mi2.00 mi660-6150-532-3726(Top 19%)167(Top 9%)37(Top 9%)
12M12.00 mi2.00 mi654+6148+233-1720(Top 19%)187(Top 11%)43(Top 11%)
Finish13.11 mi1.11 mi635+19145+333600(Top 16%)146(Top 8%)35(Top 9%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 19%
×9story building
+138ft-68ft

Overall

720

Females

187

F30-34

43

2M→4M

2.0 - 4.0 mi

Top 17%
×13story building
+163ft-19ft

Overall

645

Females

148

F30-34

31

4M→6M

4.0 - 6.0 mi

Top 18%
×4story building
+55ft-83ft

Overall

681

Females

155

F30-34

32

6M→8M

6.0 - 8.0 mi

Top 16%
×10story building
+65ft-151ft

Overall

626

Females

139

F30-34

33

8M→10M

8.0 - 10.0 mi

Top 19%
×10story building
+61ft-174ft

Overall

726

Females

167

F30-34

37

10M→12M

10.0 - 12.0 mi

Top 19%
×3story building
+41ft-53ft

Overall

720

Females

187

F30-34

43

12M→Finish

12.0 - 13.1 mi

Top 16%
×1human
+6ft-6ft

Overall

600

Females

146

F30-34

35

Passing Analysis

Category:
Athletes Passed
162*
Passed By
124
Net Change
+38
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#673
2M → 4M4831+17#673#656
4M → 6M2822+6#656#650
6M → 8M2125-4#650#654
8M → 10M16*22-6#654#660
10M → 12M2620+6#660#654
12M → Finish234+19#654#635
TOTALS162*124+38

* 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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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon