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SF MARATHON 2ND HALF 2026

Isabelle Nguyen

Bib: 26446•F•Age: 22

Richmond, TX

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
10:18/mi
20:36
↑ 138↓ 680.7%
4M
12:19/mi
45:14
↑ 1631.4%
6M
13:35/mi
1:12:24
↑ 55↓ 830.3%
8M
8:50/mi
1:30:04
↑ 65↓ 1510.8%
10M
12:37/mi
1:55:17
↑ 61↓ 1741.1%
12M
13:37/mi
2:22:32
↑ 41↓ 530.1%
Finish· 13.11 mi
13:10/mi
2:37:08
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:12:24
Pace12:04 /mi
2nd Half
Distance7.11 mi
Time1:24:44
Pace11:55 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:09:4020:3610:1820:36
10:18
-
4M
4.00 mi09:34:1845:1411:1924:38
12:19
+2:01
6M
6.00 mi10:01:281:12:2412:0427:10
13:35
+1:16
8M
8.00 mi10:19:081:30:0411:1517:40
8:50
-4:45
10M
10.00 mi10:44:211:55:1711:3225:13
12:37
+3:47
12M
12.00 mi11:11:362:22:3211:5327:15
13:37
+1:00
Finish
13.11 mi11:26:122:37:0811:5914:36
13:10
-0:27

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

8:50 /mi

Average Pace

11:59 /mi

Slowest Pace

13:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:16

24% of race

Time at Steady Pace

1:04:27

41% of race

Time at Slower Pace

54:25

35% of race

Average Pace: 11:59 /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 mi09:09:4020:3610:1820:36
10:18
#2266
4M
4.00 mi09:34:1845:1411:1924:38
12:19
#3002
6M
6.00 mi10:01:281:12:2412:0427:10
13:35
#2915
8M
8.00 mi10:19:081:30:0411:1517:40
8:50
#2909
10M
10.00 mi10:44:211:55:1711:3225:13
12:37
#2938
12M
12.00 mi11:11:362:22:3211:5327:15
13:37
#2978
Finish
13.11 mi11:26:122:37:0811:5914:36
13:10
#2995
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi22668261203092(Top 81%)1329(Top 76%)178(Top 82%)
4M4.00 mi2.00 mi3002-7361250-424171-513362(Top 88%)1473(Top 84%)188(Top 86%)
6M6.00 mi2.00 mi2915+871195+55167+42747(Top 72%)1094(Top 62%)156(Top 72%)
8M8.00 mi2.00 mi2909+61196-11672857(Top 74%)1172(Top 67%)159(Top 73%)
10M10.00 mi2.00 mi2938-291214-18166+13016(Top 79%)1262(Top 72%)171(Top 78%)
12M12.00 mi2.00 mi2978-401237-23168-23092(Top 81%)1329(Top 76%)178(Top 82%)
Finish13.11 mi1.11 mi2995-171248-11169-13099(Top 81%)1341(Top 76%)171(Top 78%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 81%
×9story building
+138ft-68ft

Overall

3092

Females

1329

F20-24

178

2M→4M

2.0 - 4.0 mi

Top 88%
×13story building
+163ft-19ft

Overall

3362

Females

1473

F20-24

188

4M→6M

4.0 - 6.0 mi

Top 72%
×4story building
+55ft-83ft

Overall

2747

Females

1094

F20-24

156

6M→8M

6.0 - 8.0 mi

Top 74%
×10story building
+65ft-151ft

Overall

2857

Females

1172

F20-24

159

8M→10M

8.0 - 10.0 mi

Top 79%
×10story building
+61ft-174ft

Overall

3016

Females

1262

F20-24

171

10M→12M

10.0 - 12.0 mi

Top 81%
×3story building
+41ft-53ft

Overall

3092

Females

1329

F20-24

178

12M→Finish

12.0 - 13.1 mi

Top 81%
×1human
+6ft-6ft

Overall

3099

Females

1341

F20-24

171

Passing Analysis

Category:
Athletes Passed
213*
Passed By
942
Net Change
-729
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2266
2M → 4M1737-736#2266#3002
4M → 6M11730+87#3002#2915
6M → 8M36*30+6#2915#2909
8M → 10M23*52-29#2909#2938
10M → 12M1858-40#2938#2978
12M → Finish18*35-17#2978#2995
TOTALS213*942-729

* 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