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SF MARATHON 1ST HALF 2026

Nola Vlasek

SF, CA

Bib: 19282 F 33

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F30-34)
#0 / 651
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
11:44/mi
23:29
→ flat
12 ft elev
4M
12:58/mi
49:24
↑ 67↓ 69
10 ft elev
6M
12:58/mi
1:15:20
↑ 1231.1%
126 ft elev
8M
13:57/mi
1:43:14
↑ 166↓ 531.1%
246 ft elev
9.6M
10:04/mi
1:59:21
↑ 68↓ 1931.5%
126 ft elev
10M
22:19/mi
2:08:16
↓ 241.1%
90 ft elev
10.5M
5:52/mi
2:11:12
↓ 732.7%
18 ft elev
12M
16:13/mi
2:35:32
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:27/mi
2:48:14
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:15:2012:33 /mi⚡ faster
2nd Half
1:32:5413:04 /mi+23.3%
Positive split — 23.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:58:4923:2911:4423:29
11:44
-
4M
4.00 mi07:24:4449:2412:2125:55
12:58
+1:14
6M
6.00 mi07:50:401:15:2012:3325:56
12:58
0:00
8M
8.00 mi08:18:341:43:1412:5427:54
13:57
+0:59
9.6M
9.60 mi08:34:411:59:2112:2616:07
10:04
-3:53
10M
10.00 mi08:43:362:08:1612:508:55
22:19
+12:15
10.5M
10.50 mi08:46:322:11:1212:302:56
5:52
-16:27
12M
12.00 mi09:10:522:35:3212:5824:20
16:13
+10:21
Finish
13.11 mi09:23:342:48:1412:5012:42
11:27
-4:46

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

5:52 /mi

Average Pace

12:50 /mi

Slowest Pace

22:19 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

19:03

11% of race

Time at Steady Pace

1:55:56

69% of race

Time at Slower Pace

33:15

20% of race

Average Pace: 12:50 /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.

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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 mi06:58:4923:2911:4423:29
11:44
#5651
4M
4.00 mi07:24:4449:2412:2125:55
12:58
#5966
6M
6.00 mi07:50:401:15:2012:3325:56
12:58
#5936
8M
8.00 mi08:18:341:43:1412:5427:54
13:57
#5986
9.6M
9.60 mi08:34:411:59:2112:2616:07
10:04
#5797
10M
10.00 mi08:43:362:08:1612:508:55
22:19
#5714
10.5M
10.50 mi08:46:322:11:1212:302:56
5:52
#5695
12M
12.00 mi09:10:522:35:3212:5824:20
16:13
#5526
Finish
13.11 mi09:23:342:48:1412:5012:42
11:27
#5406
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 72%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:51

Segment Time

13:10/mi

Pace

0.90 mi

Distance

Overall

4713

Women

1877

Division

438

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi5651233452543751701389
4M4.00 mi2.00 mi5966-3152517-183576-5161022614594
6M6.00 mi2.00 mi5936+302497+20577-158242435566
8M8.00 mi2.00 mi5986-502520-23590-1359482503572
9.6M9.60 mi1.60 mi5797+1892413+107568+2240821613366
10M10.00 mi0.40 mi5714+832367+46552+1646771858430
10.5M10.50 mi0.50 mi5695+192357+10551+151462096481
12M12.00 mi1.50 mi5526+1692270+87526+2543751701389
Finish13.11 mi1.11 mi5406+1202207+63517+944981782407

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 67%
~flat
+5ft-3ft

Overall

4375

Females

1701

F30-34

391

2M→4M

2.0 - 4.0 mi

Top 93%
×4story building
+67ft-69ft

Overall

6102

Females

2614

F30-34

597

4M→6M

4.0 - 6.0 mi

Top 89%
×9story building
+123ft-9ft

Overall

5824

Females

2435

F30-34

569

6M→8M

6.0 - 8.0 mi

Top 90%
×12story building
+166ft-53ft

Overall

5948

Females

2503

F30-34

574

8M→9.6M

8.0 - 9.6 mi

Top 62%
×13story building
+68ft-193ft

Overall

4082

Females

1613

F30-34

368

9.6M→10M

9.6 - 10.0 mi

Top 71%
×2story building
+0ft-24ft

Overall

4677

Females

1858

F30-34

432

10M→10.5M

10.0 - 10.5 mi

Top 78%
×6story building
+1ft-73ft

Overall

5146

Females

2096

F30-34

483

10.5M→12M

10.5 - 12.0 mi

Top 67%
×21story building
+280ft-26ft

Overall

4375

Females

1701

F30-34

391

12M→Finish

12.0 - 13.1 mi

Top 68%
×7story building
+14ft-89ft

Overall

4498

Females

1782

F30-34

407

Passing Analysis

Category:
Athletes Passed
871*
Passed By
626
Net Change
+245
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5651
2M → 4M35*350-315#5651#5966
4M → 6M97*67+30#5966#5936
6M → 8M80*130-50#5936#5986
8M → 9.6M21324+189#5986#5797
9.6M → 10M10219+83#5797#5714
10M → 10.5M212+19#5714#5695
10.5M → 12M187*18+169#5695#5526
12M → Finish136*16+120#5526#5406
TOTALS871*626+245

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

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Questions or issues regarding timing data?

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Contact Race Support

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events