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SF MARATHON 1ST HALF 2026

Rebecca Kolstad

Bib: 18329•F•Age: 37

Reno, NV

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F35-39)
#0 / 388
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
11:26/mi
22:53
→ flat
4M
12:30/mi
47:52
↑ 67↓ 69
6M
12:20/mi
1:12:33
↑ 1231.1%
8M
12:55/mi
1:38:22
↑ 166↓ 531.1%
9.6M
12:55/mi
1:59:02
↑ 68↓ 1931.5%
10M
23:44/mi
2:08:31
↓ 241.1%
10.5M
6:18/mi
2:11:40
↓ 732.7%
12M
18:12/mi
2:38:58
↑ 2803.2%
Finish· 13.11 mi
13:20/mi
2:53:45
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:12:33
Pace12:06 /mi
2nd Half
Distance7.11 mi
Time1:41:12
Pace14:14 /mi
📊Positive Split: 39.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:12:2122:5311:2622:53
11:26
-
4M
4.00 mi07:37:2047:5211:5824:59
12:30
+1:04
6M
6.00 mi08:02:011:12:3312:0624:41
12:20
-0:10
8M
8.00 mi08:27:501:38:2212:1825:49
12:55
+0:35
9.6M
9.60 mi08:48:301:59:0212:2420:40
12:55
0:00
10M
10.00 mi08:57:592:08:3112:519:29
23:44
+10:49
10.5M
10.50 mi09:01:082:11:4012:323:09
6:18
-17:26
12M
12.00 mi09:28:262:38:5813:1527:18
18:12
+11:54
Finish
13.11 mi09:43:132:53:4513:1514:47
13:20
-4:52

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

6:18 /mi

Average Pace

13:15 /mi

Slowest Pace

23:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09

2% of race

Time at Steady Pace

2:13:49

77% of race

Time at Slower Pace

36:47

21% of race

Average Pace: 13:15 /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...
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 mi07:12:2122:5311:2622:53
11:26
#5350
4M
4.00 mi07:37:2047:5211:5824:59
12:30
#5644
6M
6.00 mi08:02:011:12:3312:0624:41
12:20
#5539
8M
8.00 mi08:27:501:38:2212:1825:49
12:55
#5522
9.6M
9.60 mi08:48:301:59:0212:2420:40
12:55
#5759
10M
10.00 mi08:57:592:08:3112:519:29
23:44
#5739
10.5M
10.50 mi09:01:082:11:4012:323:09
6:18
#5736
12M
12.00 mi09:28:262:38:5813:1527:18
18:12
#5762
Finish
13.11 mi09:43:132:53:4513:1514:47
13:20
#5767
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 81%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:38

Segment Time

14:02/mi

Pace

0.90 mi

Distance

Overall

5329

Women

2212

Division

276

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi535021532685532(Top 84%)2353(Top 80%)310(Top 80%)
4M4.00 mi2.00 mi5644-2942325-172288-205836(Top 89%)2460(Top 84%)299(Top 77%)
6M6.00 mi2.00 mi5539+1052243+82278+105404(Top 82%)2177(Top 74%)263(Top 68%)
8M8.00 mi2.00 mi5522+172231+122785370(Top 82%)2149(Top 73%)277(Top 71%)
9.6M9.60 mi1.60 mi5759-2372390-159298-206257(Top 95%)2748(Top 94%)353(Top 91%)
10M10.00 mi0.40 mi5739+202387+3301-35267(Top 80%)2181(Top 74%)275(Top 71%)
10.5M10.50 mi0.50 mi5736+32384+3303-25702(Top 87%)2418(Top 83%)306(Top 79%)
12M12.00 mi1.50 mi5762-262408-24307-45532(Top 84%)2353(Top 80%)310(Top 80%)
Finish13.11 mi1.11 mi5767-52417-9312-55732(Top 87%)2473(Top 84%)321(Top 83%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 84%
~flat
+5ft-3ft

Overall

5532

Females

2353

F35-39

310

2M→4M

2.0 - 4.0 mi

Top 89%
×4story building
+67ft-69ft

Overall

5836

Females

2460

F35-39

300

4M→6M

4.0 - 6.0 mi

Top 82%
×9story building
+123ft-9ft

Overall

5404

Females

2177

F35-39

263

6M→8M

6.0 - 8.0 mi

Top 82%
×12story building
+166ft-53ft

Overall

5370

Females

2149

F35-39

277

8M→9.6M

8.0 - 9.6 mi

Top 95%
×13story building
+68ft-193ft

Overall

6257

Females

2748

F35-39

353

9.6M→10M

9.6 - 10.0 mi

Top 80%
×2story building
+0ft-24ft

Overall

5267

Females

2181

F35-39

275

10M→10.5M

10.0 - 10.5 mi

Top 87%
×6story building
+1ft-73ft

Overall

5702

Females

2418

F35-39

306

10.5M→12M

10.5 - 12.0 mi

Top 84%
×21story building
+280ft-26ft

Overall

5532

Females

2353

F35-39

310

12M→Finish

12.0 - 13.1 mi

Top 87%
×7story building
+14ft-89ft

Overall

5732

Females

2473

F35-39

321

Passing Analysis

Category:
Athletes Passed
496*
Passed By
913
Net Change
-417
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5350
2M → 4M41335-294#5350#5644
4M → 6M166*61+105#5644#5539
6M → 8M126*109+17#5539#5522
8M → 9.6M12249-237#5522#5759
9.6M → 10M5131+20#5759#5739
10M → 10.5M1512+3#5739#5736
10.5M → 12M51*77-26#5736#5762
12M → Finish34*39-5#5762#5767
TOTALS496*913-417

* 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

Race Place Events

Race Place Events