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SF MARATHON 1ST HALF 2026

Sthabile Kolwa

Palo Alto, CA

Bib: 18515 X 37

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Other)
#0 / 26
NB35-39
#0 / 4
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
12:08/mi
24:17
→ flat
12 ft elev
4M
11:09/mi
46:35
↑ 67↓ 69
10 ft elev
6M
12:22/mi
1:11:19
↑ 1231.1%
126 ft elev
8M
12:17/mi
1:35:52
↑ 166↓ 531.1%
246 ft elev
9.6M
12:17/mi
1:55:31
↑ 68↓ 1931.5%
126 ft elev
10M
22:39/mi
2:04:34
↓ 241.1%
90 ft elev
10.5M
5:32/mi
2:07:20
↓ 732.7%
18 ft elev
12M
17:52/mi
2:34:08
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:59/mi
2:47:25
↑ 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
1:11:1911:53 /mi⚡ faster
2nd Half
1:36:0613:31 /mi+34.8%
Positive split — 34.8% 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 mi07:15:0524:1712:0824:17
12:08
-
4M
4.00 mi07:37:2346:3511:3922:18
11:09
-0:59
6M
6.00 mi08:02:071:11:1911:5324:44
12:22
+1:13
8M
8.00 mi08:26:401:35:5211:5924:33
12:17
-0:05
9.6M
9.60 mi08:46:191:55:3112:0219:39
12:17
0:00
10M
10.00 mi08:55:222:04:3412:279:03
22:39
+10:22
10.5M
10.50 mi08:58:082:07:2012:082:46
5:32
-17:07
12M
12.00 mi09:24:562:34:0812:5126:48
17:52
+12:20
Finish
13.11 mi09:38:132:47:2512:4613:17
11:59
-5:53

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

5:32 /mi

Average Pace

12:46 /mi

Slowest Pace

22:39 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:46

2% of race

Time at Steady Pace

2:08:48

77% of race

Time at Slower Pace

35:51

21% of race

Average Pace: 12:46 /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 mi07:15:0524:1712:0824:17
12:08
#5981
4M
4.00 mi07:37:2346:3511:3922:18
11:09
#5329
6M
6.00 mi08:02:071:11:1911:5324:44
12:22
#5340
8M
8.00 mi08:26:401:35:5211:5924:33
12:17
#5201
9.6M
9.60 mi08:46:191:55:3112:0219:39
12:17
#5442
10M
10.00 mi08:55:222:04:3412:279:03
22:39
#5393
10.5M
10.50 mi08:58:082:07:2012:082:46
5:32
#5365
12M
12.00 mi09:24:562:34:0812:5126:48
17:52
#5400
Finish
13.11 mi09:38:132:47:2512:4613:17
11:59
#5325
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 71%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:49

Segment Time

13:08/mi

Pace

0.90 mi

Distance

Overall

4679

Gender

20

Division

3

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXNB35-39Seg. OverallSeg. XSeg. NB35-39
2M2.00 mi2.00 mi59812345360214
4M4.00 mi2.00 mi5329+65221+244441184
6M6.00 mi2.00 mi5340-112145421203
8M8.00 mi2.00 mi5201+1392144839182
9.6M9.60 mi1.60 mi5442-2412145980244
10M10.00 mi0.40 mi5393+492144833214
10.5M10.50 mi0.50 mi5365+282144521182
12M12.00 mi1.50 mi5400-352145360214
Finish13.11 mi1.11 mi5325+752144916203

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 82%
~flat
+5ft-3ft

Overall

5360

X

21

X35-39

4

2M→4M

2.0 - 4.0 mi

Top 68%
×4story building
+67ft-69ft

Overall

4441

X

18

X35-39

4

4M→6M

4.0 - 6.0 mi

Top 82%
×9story building
+123ft-9ft

Overall

5421

X

20

X35-39

3

6M→8M

6.0 - 8.0 mi

Top 74%
×12story building
+166ft-53ft

Overall

4839

X

18

X35-39

2

8M→9.6M

8.0 - 9.6 mi

Top 91%
×13story building
+68ft-193ft

Overall

5980

X

24

X35-39

4

9.6M→10M

9.6 - 10.0 mi

Top 74%
×2story building
+0ft-24ft

Overall

4833

X

21

X35-39

4

10M→10.5M

10.0 - 10.5 mi

Top 69%
×6story building
+1ft-73ft

Overall

4521

X

18

X35-39

2

10.5M→12M

10.5 - 12.0 mi

Top 82%
×21story building
+280ft-26ft

Overall

5360

X

21

X35-39

4

12M→Finish

12.0 - 13.1 mi

Top 75%
×7story building
+14ft-89ft

Overall

4916

X

20

X35-39

3

Passing Analysis

Category:
Athletes Passed
1245*
Passed By
589
Net Change
+656
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5981
2M → 4M659*7+652#5981#5329
4M → 6M105*116-11#5329#5340
6M → 8M201*62+139#5340#5201
8M → 9.6M10251-241#5201#5442
9.6M → 10M7223+49#5442#5393
10M → 10.5M313+28#5393#5365
10.5M → 12M71*106-35#5365#5400
12M → Finish96*21+75#5400#5325
TOTALS1245*589+656

* 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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Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

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