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SF MARATHON 2ND HALF 2026

Rebecca Nguyen

Bib: 25156•F•Age: 23

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
F20-29
#0 / 218
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
11:22/mi
22:44
↑ 138↓ 680.7%
4M
11:12/mi
45:07
↑ 1631.4%
6M
16:34/mi
1:18:15
↑ 55↓ 830.3%
8M
9:46/mi
1:37:48
↑ 65↓ 1510.8%
10M
13:36/mi
2:04:59
↑ 61↓ 1741.1%
12M
13:49/mi
2:32:38
↑ 41↓ 530.1%
Finish· 13.11 mi
12:21/mi
2:46:20
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:18:15
Pace13:03 /mi
2nd Half
Distance7.11 mi
Time1:28:05
Pace12:23 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:08:5922:4411:2222:44
11:22
-
4M
4.00 mi09:31:2245:0711:1722:23
11:12
-0:10
6M
6.00 mi10:04:301:18:1513:0333:08
16:34
+5:22
8M
8.00 mi10:24:031:37:4812:1319:33
9:46
-6:48
10M
10.00 mi10:51:142:04:5912:3027:11
13:36
+3:50
12M
12.00 mi11:18:532:32:3812:4327:39
13:49
+0:13
Finish
13.11 mi11:32:352:46:2012:4113:42
12:21
-1:28

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

9:46 /mi

Average Pace

12:41 /mi

Slowest Pace

16:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

41:56

25% of race

Time at Steady Pace

36:26

22% of race

Time at Slower Pace

1:27:58

53% of race

Average Pace: 12:41 /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 mi09:08:5922:4411:2222:44
11:22
#3032
4M
4.00 mi09:31:2245:0711:1722:23
11:12
#2989
6M
6.00 mi10:04:301:18:1513:0333:08
16:34
#3307
8M
8.00 mi10:24:031:37:4812:1319:33
9:46
#3303
10M
10.00 mi10:51:142:04:5912:3027:11
13:36
#3310
12M
12.00 mi11:18:532:32:3812:4327:39
13:49
#3288
Finish
13.11 mi11:32:352:46:2012:4113:42
12:21
#3237
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi303212571733152(Top 82%)1364(Top 78%)181(Top 83%)
4M4.00 mi2.00 mi2989+431242+15168+52964(Top 77%)1224(Top 70%)163(Top 75%)
6M6.00 mi2.00 mi3307-3181428-186190-223568(Top 93%)1588(Top 90%)205(Top 94%)
8M8.00 mi2.00 mi3303+41426+2189+13299(Top 86%)1424(Top 81%)191(Top 88%)
10M10.00 mi2.00 mi3310-71426191-23330(Top 87%)1453(Top 83%)191(Top 88%)
12M12.00 mi2.00 mi3288+221420+6189+23152(Top 82%)1364(Top 78%)181(Top 83%)
Finish13.11 mi1.11 mi3237+511390+30188+12839(Top 74%)1201(Top 68%)161(Top 74%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 82%
×9story building
+138ft-68ft

Overall

3152

Females

1364

F20-24

181

2M→4M

2.0 - 4.0 mi

Top 77%
×13story building
+163ft-19ft

Overall

2964

Females

1224

F20-24

163

4M→6M

4.0 - 6.0 mi

Top 93%
×4story building
+55ft-83ft

Overall

3568

Females

1588

F20-24

205

6M→8M

6.0 - 8.0 mi

Top 86%
×10story building
+65ft-151ft

Overall

3299

Females

1424

F20-24

191

8M→10M

8.0 - 10.0 mi

Top 87%
×10story building
+61ft-174ft

Overall

3330

Females

1453

F20-24

191

10M→12M

10.0 - 12.0 mi

Top 82%
×3story building
+41ft-53ft

Overall

3152

Females

1364

F20-24

181

12M→Finish

12.0 - 13.1 mi

Top 74%
×1human
+6ft-6ft

Overall

2839

Females

1201

F20-24

161

Passing Analysis

Category:
Athletes Passed
260*
Passed By
465
Net Change
-205
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3032
2M → 4M11471+43#3032#2989
4M → 6M3321-318#2989#3307
6M → 8M31*27+4#3307#3303
8M → 10M26*33-7#3303#3310
10M → 12M3513+22#3310#3288
12M → Finish51*0+51#3288#3237
TOTALS260*465-205

* 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