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SF MARATHON 2ND HALF 2026

Shannon Johnston

Bib: 26177•F•Age: 35

Daly City, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
Division (F35-39)
#0 / 222
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
10:34/mi
21:08
↑ 138↓ 680.7%
4M
9:56/mi
41:00
↑ 1631.4%
6M
13:15/mi
1:07:31
↑ 55↓ 830.3%
8M
8:24/mi
1:24:19
↑ 65↓ 1510.8%
10M
11:17/mi
1:46:53
↑ 61↓ 1741.1%
12M
11:35/mi
2:10:04
↑ 41↓ 530.1%
Finish· 13.11 mi
11:38/mi
2:22:58
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:07:31
Pace11:15 /mi
2nd Half
Distance7.11 mi
Time1:15:27
Pace10:37 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:05:2621:0810:3421:08
10:34
-
4M
4.00 mi09:25:1841:0010:1519:52
9:56
-0:38
6M
6.00 mi09:51:491:07:3111:1526:31
13:15
+3:19
8M
8.00 mi10:08:371:24:1910:3216:48
8:24
-4:51
10M
10.00 mi10:31:111:46:5310:4122:34
11:17
+2:53
12M
12.00 mi10:54:222:10:0410:5023:11
11:35
+0:18
Finish
13.11 mi11:07:162:22:5810:5412:54
11:38
+0:03

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

8:24 /mi

Average Pace

10:54 /mi

Slowest Pace

13:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:48

40% of race

Time at Steady Pace

58:39

41% of race

Time at Slower Pace

26:31

19% of race

Average Pace: 10:54 /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 mi09:05:2621:0810:3421:08
10:34
#2512
4M
4.00 mi09:25:1841:0010:1519:52
9:56
#2369
6M
6.00 mi09:51:491:07:3111:1526:31
13:15
#2459
8M
8.00 mi10:08:371:24:1910:3216:48
8:24
#2476
10M
10.00 mi10:31:111:46:5310:4122:34
11:17
#2454
12M
12.00 mi10:54:222:10:0410:5023:11
11:35
#2393
Finish
13.11 mi11:07:162:22:5810:5412:54
11:38
#2401
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi25129541202237(Top 58%)867(Top 49%)109(Top 49%)
4M4.00 mi2.00 mi2369+143889+65113+72285(Top 60%)852(Top 48%)100(Top 45%)
6M6.00 mi2.00 mi2459-90929-40115-22610(Top 68%)1018(Top 58%)126(Top 57%)
8M8.00 mi2.00 mi2476-17938-9118-32573(Top 67%)1000(Top 57%)122(Top 55%)
10M10.00 mi2.00 mi2454+22925+13115+32371(Top 62%)902(Top 51%)111(Top 50%)
12M12.00 mi2.00 mi2393+61899+26110+52237(Top 58%)867(Top 49%)109(Top 49%)
Finish13.11 mi1.11 mi2401-8911-12113-32498(Top 65%)1012(Top 57%)123(Top 55%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 58%
×9story building
+138ft-68ft

Overall

2237

Females

867

F35-39

109

2M→4M

2.0 - 4.0 mi

Top 60%
×13story building
+163ft-19ft

Overall

2285

Females

852

F35-39

100

4M→6M

4.0 - 6.0 mi

Top 68%
×4story building
+55ft-83ft

Overall

2610

Females

1018

F35-39

127

6M→8M

6.0 - 8.0 mi

Top 67%
×10story building
+65ft-151ft

Overall

2573

Females

1000

F35-39

122

8M→10M

8.0 - 10.0 mi

Top 62%
×10story building
+61ft-174ft

Overall

2371

Females

902

F35-39

111

10M→12M

10.0 - 12.0 mi

Top 58%
×3story building
+41ft-53ft

Overall

2237

Females

867

F35-39

109

12M→Finish

12.0 - 13.1 mi

Top 65%
×1human
+6ft-6ft

Overall

2498

Females

1012

F35-39

123

Passing Analysis

Category:
Athletes Passed
387*
Passed By
276
Net Change
+111
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2512
2M → 4M17633+143#2512#2369
4M → 6M20110-90#2369#2459
6M → 8M3855-17#2459#2476
8M → 10M48*26+22#2476#2454
10M → 12M8120+61#2454#2393
12M → Finish24*32-8#2393#2401
TOTALS387*276+111

* 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