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SF MARATHON 1ST HALF 2026

Emily Chang

Bib: 18657•F•Age: 29

Milpitas, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Top 47%
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
11:08/mi
22:17
→ flat
4M
11:10/mi
44:36
↑ 67↓ 69
6M
11:16/mi
1:07:09
↑ 1231.1%
8M
12:12/mi
1:31:34
↑ 166↓ 531.1%
9.6M
8:33/mi
1:45:15
↑ 68↓ 1931.5%
10M
20:34/mi
1:53:28
↓ 241.1%
10.5M
5:36/mi
1:56:16
↓ 732.7%
12M
14:51/mi
2:18:32
↑ 2803.2%
Finish· 13.11 mi
10:44/mi
2:30:26
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:07:09
Pace11:12 /mi
2nd Half
Distance7.11 mi
Time1:23:17
Pace11:43 /mi
📊Positive Split: 24.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:08:2422:1711:0822:17
11:08
-
4M
4.00 mi07:30:4344:3611:0922:19
11:10
+0:02
6M
6.00 mi07:53:161:07:0911:1222:33
11:16
+0:06
8M
8.00 mi08:17:411:31:3411:2724:25
12:12
+0:56
9.6M
9.60 mi08:31:221:45:1510:5813:41
8:33
-3:39
10M
10.00 mi08:39:351:53:2811:218:13
20:34
+12:01
10.5M
10.50 mi08:42:231:56:1611:042:48
5:36
-14:58
12M
12.00 mi09:04:392:18:3211:3322:16
14:51
+9:15
Finish
13.11 mi09:16:332:30:2611:2911:54
10:44
-4:07

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

5:36 /mi

Average Pace

11:29 /mi

Slowest Pace

20:34 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:29

11% of race

Time at Steady Pace

1:43:28

69% of race

Time at Slower Pace

30:29

20% of race

Average Pace: 11:28 /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 mi07:08:2422:1711:0822:17
11:08
#4936
4M
4.00 mi07:30:4344:3611:0922:19
11:10
#4645
6M
6.00 mi07:53:161:07:0911:1222:33
11:16
#4494
8M
8.00 mi08:17:411:31:3411:2724:25
12:12
#4541
9.6M
9.60 mi08:31:221:45:1510:5813:41
8:33
#4103
10M
10.00 mi08:39:351:53:2811:218:13
20:34
#4042
10.5M
10.50 mi08:42:231:56:1611:042:48
5:36
#4051
12M
12.00 mi09:04:392:18:3211:3322:16
14:51
#3927
Finish
13.11 mi09:16:332:30:2611:2911:54
10:44
#3893
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 59%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:01

Segment Time

12:15/mi

Pace

0.90 mi

Distance

Overall

3900

Women

1420

Division

358

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi493619104723425(Top 52%)1231(Top 42%)312(Top 46%)
4M4.00 mi2.00 mi4645+2911736+174432+404446(Top 68%)1643(Top 56%)410(Top 61%)
6M6.00 mi2.00 mi4494+1511659+77410+224204(Top 64%)1520(Top 52%)372(Top 55%)
8M8.00 mi2.00 mi4541-471669-10406+44769(Top 73%)1783(Top 61%)421(Top 62%)
9.6M9.60 mi1.60 mi4103+4381460+209363+432186(Top 33%)742(Top 25%)188(Top 28%)
10M10.00 mi0.40 mi4042+611442+183633785(Top 58%)1380(Top 47%)341(Top 51%)
10.5M10.50 mi0.50 mi4051-91447-5364-14625(Top 70%)1790(Top 61%)446(Top 66%)
12M12.00 mi1.50 mi3927+1241393+54349+153425(Top 52%)1231(Top 42%)312(Top 46%)
Finish13.11 mi1.11 mi3893+341384+9346+33738(Top 57%)1371(Top 47%)356(Top 53%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 52%
~flat
+5ft-3ft

Overall

3425

Females

1231

F25-29

312

2M→4M

2.0 - 4.0 mi

Top 68%
×4story building
+67ft-69ft

Overall

4446

Females

1643

F25-29

410

4M→6M

4.0 - 6.0 mi

Top 64%
×9story building
+123ft-9ft

Overall

4204

Females

1520

F25-29

372

6M→8M

6.0 - 8.0 mi

Top 73%
×12story building
+166ft-53ft

Overall

4769

Females

1783

F25-29

421

8M→9.6M

8.0 - 9.6 mi

Top 33%
×13story building
+68ft-193ft

Overall

2186

Females

742

F25-29

188

9.6M→10M

9.6 - 10.0 mi

Top 58%
×2story building
+0ft-24ft

Overall

3785

Females

1380

F25-29

341

10M→10.5M

10.0 - 10.5 mi

Top 70%
×6story building
+1ft-73ft

Overall

4625

Females

1790

F25-29

446

10.5M→12M

10.5 - 12.0 mi

Top 52%
×21story building
+280ft-26ft

Overall

3425

Females

1231

F25-29

312

12M→Finish

12.0 - 13.1 mi

Top 57%
×7story building
+14ft-89ft

Overall

3738

Females

1371

F25-29

356

Passing Analysis

Category:
Athletes Passed
1475*
Passed By
432
Net Change
+1043
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4936
2M → 4M36372+291#4936#4645
4M → 6M211*60+151#4645#4494
6M → 8M148*195-47#4494#4541
8M → 9.6M4479+438#4541#4103
9.6M → 10M7312+61#4103#4042
10M → 10.5M615-9#4042#4051
10.5M → 12M167*43+124#4051#3927
12M → Finish60*26+34#3927#3893
TOTALS1475*432+1043

* 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