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SF MARATHON 1ST HALF 2026

Ruby Choi

Bib: 16307•F•Age: 24

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
F20-29
#0 / 353
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
12:11/mi
24:23
→ flat
4M
12:26/mi
49:14
↑ 67↓ 69
6M
12:31/mi
1:14:17
↑ 1231.1%
8M
13:46/mi
1:41:50
↑ 166↓ 531.1%
9.6M
10:13/mi
1:58:11
↑ 68↓ 1931.5%
10M
25:19/mi
2:08:18
↓ 241.1%
10.5M
7:04/mi
2:11:50
↓ 732.7%
12M
23:06/mi
2:46:29
↑ 2803.2%
Finish· 13.11 mi
15:08/mi
3:03:16
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:14:17
Pace12:23 /mi
2nd Half
Distance7.11 mi
Time1:48:59
Pace15:20 /mi
📊Positive Split: 46.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:01:2624:2312:1124:23
12:11
-
4M
4.00 mi07:26:1749:1412:1924:51
12:26
+0:15
6M
6.00 mi07:51:201:14:1712:2325:03
12:31
+0:05
8M
8.00 mi08:18:531:41:5012:4427:33
13:46
+1:15
9.6M
9.60 mi08:35:141:58:1112:1916:21
10:13
-3:33
10M
10.00 mi08:45:212:08:1812:5010:07
25:19
+15:06
10.5M
10.50 mi08:48:532:11:5012:333:32
7:04
-18:15
12M
12.00 mi09:23:322:46:2913:5234:39
23:06
+16:02
Finish
13.11 mi09:40:193:03:1613:5916:47
15:08
-7:58

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

7:04 /mi

Average Pace

13:59 /mi

Slowest Pace

25:19 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32

2% of race

Time at Steady Pace

2:14:58

74% of race

Time at Slower Pace

44:46

24% of race

Average Pace: 13:59 /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 mi07:01:2624:2312:1124:23
12:11
#6025
4M
4.00 mi07:26:1749:1412:1924:51
12:26
#5938
6M
6.00 mi07:51:201:14:1712:2325:03
12:31
#5807
8M
8.00 mi08:18:531:41:5012:4427:33
13:46
#5880
9.6M
9.60 mi08:35:141:58:1112:1916:21
10:13
#5682
10M
10.00 mi08:45:212:08:1812:5010:07
25:19
#5721
10.5M
10.50 mi08:48:532:11:5012:333:32
7:04
#5753
12M
12.00 mi09:23:322:46:2913:5234:39
23:06
#6120
Finish
13.11 mi09:40:193:03:1613:5916:47
15:08
#6145
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 89%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

13:39

Segment Time

15:10/mi

Pace

0.90 mi

Distance

Overall

5840

Women

2509

Division

324

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi602525633276501(Top 99%)2899(Top 99%)352(Top 100%)
4M4.00 mi2.00 mi5938+872501+62326+15796(Top 88%)2436(Top 83%)317(Top 90%)
6M6.00 mi2.00 mi5807+1312416+85320+65536(Top 84%)2254(Top 77%)298(Top 84%)
8M8.00 mi2.00 mi5880-732459-43319+15874(Top 89%)2458(Top 84%)316(Top 90%)
9.6M9.60 mi1.60 mi5682+1982336+123305+144279(Top 65%)1704(Top 58%)220(Top 62%)
10M10.00 mi0.40 mi5721-392373-37308-35705(Top 87%)2446(Top 83%)314(Top 89%)
10.5M10.50 mi0.50 mi5753-322396-23309-16193(Top 94%)2715(Top 93%)340(Top 96%)
12M12.00 mi1.50 mi6120-3672628-232338-296501(Top 99%)2899(Top 99%)352(Top 100%)
Finish13.11 mi1.11 mi6145-252648-20344-66224(Top 95%)2746(Top 94%)340(Top 96%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 99%
~flat
+5ft-3ft

Overall

6501

Females

2899

F20-24

352

2M→4M

2.0 - 4.0 mi

Top 88%
×4story building
+67ft-69ft

Overall

5796

Females

2436

F20-24

318

4M→6M

4.0 - 6.0 mi

Top 84%
×9story building
+123ft-9ft

Overall

5536

Females

2254

F20-24

299

6M→8M

6.0 - 8.0 mi

Top 89%
×12story building
+166ft-53ft

Overall

5874

Females

2458

F20-24

316

8M→9.6M

8.0 - 9.6 mi

Top 65%
×13story building
+68ft-193ft

Overall

4279

Females

1704

F20-24

220

9.6M→10M

9.6 - 10.0 mi

Top 87%
×2story building
+0ft-24ft

Overall

5705

Females

2446

F20-24

314

10M→10.5M

10.0 - 10.5 mi

Top 94%
×6story building
+1ft-73ft

Overall

6193

Females

2715

F20-24

340

10.5M→12M

10.5 - 12.0 mi

Top 99%
×21story building
+280ft-26ft

Overall

6501

Females

2899

F20-24

352

12M→Finish

12.0 - 13.1 mi

Top 95%
×7story building
+14ft-89ft

Overall

6224

Females

2746

F20-24

340

Passing Analysis

Category:
Athletes Passed
695*
Passed By
815
Net Change
-120
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6025
2M → 4M164*77+87#6025#5938
4M → 6M167*36+131#5938#5807
6M → 8M84*157-73#5807#5880
8M → 9.6M22426+198#5880#5682
9.6M → 10M2463-39#5682#5721
10M → 10.5M638-32#5721#5753
10.5M → 12M4*371-367#5753#6120
12M → Finish22*47-25#6120#6145
TOTALS695*815-120

* 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