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SF MARATHON 2ND HALF 2026

Kelly Chock-Mao

Bib: 25197•F•Age: 58

Union City, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
Masters (Masters Women)
#0 / 365
Division (F55-59)
#0 / 63
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
12:17/mi
24:35
↑ 138↓ 680.7%
4M
13:00/mi
50:35
↑ 1631.4%
6M
16:42/mi
1:24:00
↑ 55↓ 830.3%
8M
10:57/mi
1:45:54
↑ 65↓ 1510.8%
10M
13:35/mi
2:13:04
↑ 61↓ 1741.1%
12M
13:44/mi
2:40:33
↑ 41↓ 530.1%
Finish· 13.11 mi
12:44/mi
2:54:40
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:24:00
Pace14:00 /mi
2nd Half
Distance7.11 mi
Time1:30:40
Pace12:45 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:17:4024:3512:1724:35
12:17
-
4M
4.00 mi09:43:4050:3512:3926:00
13:00
+0:43
6M
6.00 mi10:17:051:24:0014:0033:25
16:42
+3:42
8M
8.00 mi10:38:591:45:5413:1421:54
10:57
-5:45
10M
10.00 mi11:06:092:13:0413:1827:10
13:35
+2:38
12M
12.00 mi11:33:382:40:3313:2327:29
13:44
+0:09
Finish
13.11 mi11:47:452:54:4013:1914:07
12:44
-1:00

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

10:57 /mi

Average Pace

13:19 /mi

Slowest Pace

16:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:54

13% of race

Time at Steady Pace

1:59:21

68% of race

Time at Slower Pace

33:25

19% of race

Average Pace: 13:19 /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 mi09:17:4024:3512:1724:35
12:17
#3422
4M
4.00 mi09:43:4050:3512:3926:00
13:00
#3483
6M
6.00 mi10:17:051:24:0014:0033:25
16:42
#3540
8M
8.00 mi10:38:591:45:5413:1421:54
10:57
#3567
10M
10.00 mi11:06:092:13:0413:1827:10
13:35
#3523
12M
12.00 mi11:33:382:40:3313:2327:29
13:44
#3467
Finish
13.11 mi11:47:452:54:4013:1914:07
12:44
#3437
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
2M2.00 mi2.00 mi34221488463135(Top 82%)1356(Top 77%)43(Top 68%)
4M4.00 mi2.00 mi3483-611537-4947-13527(Top 92%)1570(Top 89%)49(Top 78%)
6M6.00 mi2.00 mi3540-571565-2848-13597(Top 94%)1606(Top 91%)49(Top 78%)
8M8.00 mi2.00 mi3567-271591-26483642(Top 95%)1648(Top 94%)53(Top 84%)
10M10.00 mi2.00 mi3523+441558+33483329(Top 87%)1452(Top 83%)46(Top 73%)
12M12.00 mi2.00 mi3467+561527+3147+13135(Top 82%)1356(Top 77%)43(Top 68%)
Finish13.11 mi1.11 mi3437+301509+18472978(Top 78%)1274(Top 72%)38(Top 60%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 82%
×9story building
+138ft-68ft

Overall

3135

Females

1356

F55-59

43

2M→4M

2.0 - 4.0 mi

Top 92%
×13story building
+163ft-19ft

Overall

3527

Females

1570

F55-59

49

4M→6M

4.0 - 6.0 mi

Top 94%
×4story building
+55ft-83ft

Overall

3597

Females

1606

F55-59

49

6M→8M

6.0 - 8.0 mi

Top 95%
×10story building
+65ft-151ft

Overall

3642

Females

1648

F55-59

54

8M→10M

8.0 - 10.0 mi

Top 87%
×10story building
+61ft-174ft

Overall

3329

Females

1452

F55-59

46

10M→12M

10.0 - 12.0 mi

Top 82%
×3story building
+41ft-53ft

Overall

3135

Females

1356

F55-59

43

12M→Finish

12.0 - 13.1 mi

Top 78%
×1human
+6ft-6ft

Overall

2978

Females

1274

F55-59

38

Passing Analysis

Category:
Athletes Passed
187*
Passed By
202
Net Change
-15
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3422
2M → 4M3192-61#3422#3483
4M → 6M562-57#3483#3540
6M → 8M7*34-27#3540#3567
8M → 10M49*5+44#3567#3523
10M → 12M582+56#3523#3467
12M → Finish37*7+30#3467#3437
TOTALS187*202-15

* 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