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SF MARATHON 2ND HALF 2026

Jennifer Mack

Bib: 23706•F•Age: 50

SF, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
Masters (Masters Women)
#0 / 365
Top 50%
Division (F50-54)
#0 / 65
Top 45%
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
10:50/mi
21:40
↑ 138↓ 680.7%
4M
13:46/mi
49:12
↑ 1631.4%
6M
13:07/mi
1:15:26
↑ 55↓ 830.3%
8M
8:31/mi
1:32:29
↑ 65↓ 1510.8%
10M
11:35/mi
1:55:39
↑ 61↓ 1741.1%
12M
12:09/mi
2:19:58
↑ 41↓ 530.1%
Finish· 13.11 mi
11:13/mi
2:32:25
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:15:26
Pace12:34 /mi
2nd Half
Distance7.11 mi
Time1:16:59
Pace10:50 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:05:5421:4010:5021:40
10:50
-
4M
4.00 mi09:33:2649:1212:1827:32
13:46
+2:56
6M
6.00 mi09:59:401:15:2612:3426:14
13:07
-0:39
8M
8.00 mi10:16:431:32:2911:3417:03
8:31
-4:36
10M
10.00 mi10:39:531:55:3911:3423:10
11:35
+3:04
12M
12.00 mi11:04:122:19:5811:4024:19
12:09
+0:34
Finish
13.11 mi11:16:392:32:2511:3812:27
11:13
-0:56

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

8:31 /mi

Average Pace

11:38 /mi

Slowest Pace

13:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:03

11% of race

Time at Steady Pace

1:21:36

54% of race

Time at Slower Pace

53:46

35% of race

Average Pace: 11:38 /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 mi09:05:5421:4010:5021:40
10:50
#2706
4M
4.00 mi09:33:2649:1212:1827:32
13:46
#3399
6M
6.00 mi09:59:401:15:2612:3426:14
13:07
#3141
8M
8.00 mi10:16:431:32:2911:3417:03
8:31
#3059
10M
10.00 mi10:39:531:55:3911:3423:10
11:35
#2955
12M
12.00 mi11:04:122:19:5811:4024:19
12:09
#2887
Finish
13.11 mi11:16:392:32:2511:3812:27
11:13
#2829
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
2M2.00 mi2.00 mi27061071252519(Top 66%)1011(Top 57%)25(Top 38%)
4M4.00 mi2.00 mi3399-6931487-41645-203664(Top 95%)1662(Top 94%)54(Top 83%)
6M6.00 mi2.00 mi3141+2581321+16637+82530(Top 66%)976(Top 55%)24(Top 37%)
8M8.00 mi2.00 mi3059+821274+4734+32680(Top 70%)1067(Top 61%)25(Top 38%)
10M10.00 mi2.00 mi2955+1041226+4831+32546(Top 66%)1005(Top 57%)26(Top 40%)
12M12.00 mi2.00 mi2887+681190+3629+22519(Top 66%)1011(Top 57%)25(Top 38%)
Finish13.11 mi1.11 mi2829+581159+31292285(Top 60%)901(Top 51%)24(Top 37%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 66%
×9story building
+138ft-68ft

Overall

2519

Females

1011

F50-54

25

2M→4M

2.0 - 4.0 mi

Top 95%
×13story building
+163ft-19ft

Overall

3664

Females

1662

F50-54

54

4M→6M

4.0 - 6.0 mi

Top 66%
×4story building
+55ft-83ft

Overall

2530

Females

976

F50-54

24

6M→8M

6.0 - 8.0 mi

Top 70%
×10story building
+65ft-151ft

Overall

2680

Females

1067

F50-54

25

8M→10M

8.0 - 10.0 mi

Top 66%
×10story building
+61ft-174ft

Overall

2546

Females

1005

F50-54

26

10M→12M

10.0 - 12.0 mi

Top 66%
×3story building
+41ft-53ft

Overall

2519

Females

1011

F50-54

25

12M→Finish

12.0 - 13.1 mi

Top 60%
×1human
+6ft-6ft

Overall

2285

Females

901

F50-54

24

Passing Analysis

Category:
Athletes Passed
593*
Passed By
716
Net Change
-123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2706
2M → 4M2695-693#2706#3399
4M → 6M2613+258#3399#3141
6M → 8M87*5+82#3141#3059
8M → 10M107*3+104#3059#2955
10M → 12M724+68#2955#2887
12M → Finish64*6+58#2887#2829
TOTALS593*716-123

* 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