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SF MARATHON 1ST HALF 2026

Elaine Mei

Bib: 16381•F•Age: 27

San francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F25-29)
#0 / 674
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
10:09/mi
20:18
→ flat
4M
10:45/mi
41:48
↑ 67↓ 69
6M
10:45/mi
1:03:19
↑ 1231.1%
8M
11:24/mi
1:26:08
↑ 166↓ 531.1%
9.6M
11:24/mi
1:44:23
↑ 68↓ 1931.5%
10M
23:49/mi
1:53:54
↓ 241.1%
10.5M
5:28/mi
1:56:38
↓ 732.7%
12M
19:02/mi
2:25:11
↑ 2803.2%
Finish· 13.11 mi
11:41/mi
2:38:08
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:03:19
Pace10:33 /mi
2nd Half
Distance7.11 mi
Time1:34:49
Pace13:20 /mi
📊Positive Split: 49.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:58:1320:1810:0920:18
10:09
-
4M
4.00 mi07:19:4341:4810:2721:30
10:45
+0:36
6M
6.00 mi07:41:141:03:1910:3321:31
10:45
0:00
8M
8.00 mi08:04:031:26:0810:4622:49
11:24
+0:39
9.6M
9.60 mi08:22:181:44:2310:5218:15
11:24
0:00
10M
10.00 mi08:31:491:53:5411:239:31
23:49
+12:25
10.5M
10.50 mi08:34:331:56:3811:062:44
5:28
-18:21
12M
12.00 mi09:03:062:25:1112:0628:33
19:02
+13:34
Finish
13.11 mi09:16:032:38:0812:0412:57
11:41
-7:21

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

5:28 /mi

Average Pace

12:04 /mi

Slowest Pace

23:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44

2% of race

Time at Steady Pace

1:57:20

74% of race

Time at Slower Pace

38:04

24% of race

Average Pace: 12:04 /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 mi06:58:1320:1810:0920:18
10:09
#3279
4M
4.00 mi07:19:4341:4810:2721:30
10:45
#3620
6M
6.00 mi07:41:141:03:1910:3321:31
10:45
#3580
8M
8.00 mi08:04:031:26:0810:4622:49
11:24
#3644
9.6M
9.60 mi08:22:181:44:2310:5218:15
11:24
#3976
10M
10.00 mi08:31:491:53:5411:239:31
23:49
#4100
10.5M
10.50 mi08:34:331:56:3811:062:44
5:28
#4099
12M
12.00 mi09:03:062:25:1112:0628:33
19:02
#4625
Finish
13.11 mi09:16:032:38:0812:0412:57
11:41
#4587
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 77%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:15

Segment Time

13:37/mi

Pace

0.90 mi

Distance

Overall

5042

Women

2044

Division

495

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi327910852565880(Top 89%)2549(Top 87%)612(Top 91%)
4M4.00 mi2.00 mi3620-3411225-140298-423911(Top 59%)1366(Top 47%)341(Top 51%)
6M6.00 mi2.00 mi3580+401214+11302-43616(Top 55%)1229(Top 42%)314(Top 47%)
8M8.00 mi2.00 mi3644-641231-17303-13974(Top 60%)1380(Top 47%)344(Top 51%)
9.6M9.60 mi1.60 mi3976-3321403-172353-505391(Top 82%)2266(Top 77%)549(Top 81%)
10M10.00 mi0.40 mi4100-1241469-66366-135290(Top 80%)2197(Top 75%)521(Top 77%)
10.5M10.50 mi0.50 mi4099+11471-2369-34323(Top 66%)1622(Top 55%)400(Top 59%)
12M12.00 mi1.50 mi4625-5261759-288431-625880(Top 89%)2549(Top 87%)612(Top 91%)
Finish13.11 mi1.11 mi4587+381745+144314662(Top 71%)1878(Top 64%)466(Top 69%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 89%
~flat
+5ft-3ft

Overall

5880

Females

2549

F25-29

612

2M→4M

2.0 - 4.0 mi

Top 59%
×4story building
+67ft-69ft

Overall

3911

Females

1366

F25-29

341

4M→6M

4.0 - 6.0 mi

Top 55%
×9story building
+123ft-9ft

Overall

3616

Females

1229

F25-29

314

6M→8M

6.0 - 8.0 mi

Top 60%
×12story building
+166ft-53ft

Overall

3974

Females

1380

F25-29

344

8M→9.6M

8.0 - 9.6 mi

Top 82%
×13story building
+68ft-193ft

Overall

5391

Females

2266

F25-29

549

9.6M→10M

9.6 - 10.0 mi

Top 80%
×2story building
+0ft-24ft

Overall

5290

Females

2197

F25-29

522

10M→10.5M

10.0 - 10.5 mi

Top 66%
×6story building
+1ft-73ft

Overall

4323

Females

1622

F25-29

400

10.5M→12M

10.5 - 12.0 mi

Top 89%
×21story building
+280ft-26ft

Overall

5880

Females

2549

F25-29

612

12M→Finish

12.0 - 13.1 mi

Top 71%
×7story building
+14ft-89ft

Overall

4662

Females

1878

F25-29

466

Passing Analysis

Category:
Athletes Passed
437*
Passed By
1745
Net Change
-1308
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3279
2M → 4M69410-341#3279#3620
4M → 6M146*106+40#3620#3580
6M → 8M104*168-64#3580#3644
8M → 9.6M7339-332#3644#3976
9.6M → 10M19143-124#3976#4100
10M → 10.5M1817+1#4100#4099
10.5M → 12M7*533-526#4099#4625
12M → Finish67*29+38#4625#4587
TOTALS437*1745-1308

* 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