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SF MARATHON 2ND HALF 2026

Amber Nguyen

Fremont, CA

Bib: 24273 F 21

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
48 ft elev
2M
10:50/mi
21:40
↑ 138↓ 680.7%
122 ft elev
4M
11:12/mi
44:03
↑ 1631.4%
280 ft elev
6M
15:05/mi
1:14:13
↑ 55↓ 830.3%
247 ft elev
8M
8:58/mi
1:32:09
↑ 65↓ 1510.8%
143 ft elev
10M
12:55/mi
1:57:59
↑ 61↓ 1741.1%
25 ft elev
12M
15:10/mi
2:28:20
↑ 41↓ 530.1%
12 ft elev
Finish· 13.11 mi
14:34/mi
2:44:29
→ flat
11 ft elev
Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:14:13
Pace12:22 /mi
2nd Half
Distance7.11 mi
Time1:30:16
Pace12:42 /mi
📊Positive Split: 21.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:59:4121:4010:5021:40
10:50
-
4M
4.00 mi09:22:0444:0311:0122:23
11:12
+0:22
6M
6.00 mi09:52:141:14:1312:2230:10
15:05
+3:53
8M
8.00 mi10:10:101:32:0911:3117:56
8:58
-6:07
10M
10.00 mi10:36:001:57:5911:4825:50
12:55
+3:57
12M
12.00 mi11:06:212:28:2012:2230:21
15:10
+2:15
Finish
13.11 mi11:22:302:44:2912:3316:09
14:34
-0:36

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

8:58 /mi

Average Pace

12:33 /mi

Slowest Pace

15:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:59

38% of race

Time at Steady Pace

25:50

16% of race

Time at Slower Pace

1:16:40

47% of race

Average Pace: 12:33 /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 mi08:59:4121:4010:5021:40
10:50
#2711
4M
4.00 mi09:22:0444:0311:0122:23
11:12
#2865
6M
6.00 mi09:52:141:14:1312:2230:10
15:05
#3062
8M
8.00 mi10:10:101:32:0911:3117:56
8:58
#3037
10M
10.00 mi10:36:001:57:5911:4825:50
12:55
#3050
12M
12.00 mi11:06:212:28:2012:2230:21
15:10
#3159
Finish
13.11 mi11:22:302:44:2912:3316:09
14:34
#3185
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi271110731553461(Top 90%)1542(Top 88%)197(Top 90%)
4M4.00 mi2.00 mi2865-1541162-89160-52963(Top 77%)1223(Top 69%)162(Top 74%)
6M6.00 mi2.00 mi3062-1971276-114174-143272(Top 85%)1398(Top 79%)190(Top 87%)
8M8.00 mi2.00 mi3037+251264+12175-12929(Top 76%)1208(Top 69%)168(Top 77%)
10M10.00 mi2.00 mi3050-131279-15176-13128(Top 81%)1333(Top 76%)178(Top 82%)
12M12.00 mi2.00 mi3159-1091343-64183-73461(Top 90%)1542(Top 88%)197(Top 90%)
Finish13.11 mi1.11 mi3185-261362-191833418(Top 89%)1523(Top 87%)200(Top 92%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 90%
×9story building
+138ft-68ft

Overall

3461

Females

1542

F20-24

197

2M→4M

2.0 - 4.0 mi

Top 77%
×13story building
+163ft-19ft

Overall

2963

Females

1223

F20-24

162

4M→6M

4.0 - 6.0 mi

Top 85%
×4story building
+55ft-83ft

Overall

3272

Females

1398

F20-24

190

6M→8M

6.0 - 8.0 mi

Top 76%
×10story building
+65ft-151ft

Overall

2929

Females

1208

F20-24

168

8M→10M

8.0 - 10.0 mi

Top 81%
×10story building
+61ft-174ft

Overall

3128

Females

1333

F20-24

178

10M→12M

10.0 - 12.0 mi

Top 90%
×3story building
+41ft-53ft

Overall

3461

Females

1542

F20-24

197

12M→Finish

12.0 - 13.1 mi

Top 89%
×1human
+6ft-6ft

Overall

3418

Females

1523

F20-24

200

Passing Analysis

Category:
Athletes Passed
181*
Passed By
655
Net Change
-474
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2711
2M → 4M76230-154#2711#2865
4M → 6M13210-197#2865#3062
6M → 8M42*17+25#3062#3037
8M → 10M33*46-13#3037#3050
10M → 12M4113-109#3050#3159
12M → Finish13*39-26#3159#3185
TOTALS181*655-474

* 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