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SF MARATHON 1ST HALF 2026

Arielle Chernin

Bib: 13063•F•Age: 36

Newton Highlands, MA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 9%
Gender (Female)
#0 / 2930
Top 3%
Division (F35-39)
#0 / 388
Top 3%
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
8:11/mi
16:22
→ flat
4M
8:12/mi
32:46
↑ 67↓ 69
6M
8:08/mi
49:02
↑ 1231.1%
8M
8:22/mi
1:05:46
↑ 166↓ 531.1%
9.6M
8:22/mi
1:19:10
↑ 68↓ 1931.5%
10M
15:04/mi
1:25:11
↓ 241.1%
10.5M
4:06/mi
1:27:14
↓ 732.7%
12M
10:43/mi
1:43:19
↑ 2803.2%
Finish· 13.11 mi
7:54/mi
1:52:05
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time49:02
Pace8:10 /mi
2nd Half
Distance7.11 mi
Time1:03:03
Pace8:52 /mi
📊Positive Split: 28.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:47:1116:228:1116:22
8:11
-
4M
4.00 mi07:03:3532:468:1216:24
8:12
+0:01
6M
6.00 mi07:19:5149:028:1016:16
8:08
-0:04
8M
8.00 mi07:36:351:05:468:1316:44
8:22
+0:14
9.6M
9.60 mi07:49:591:19:108:1513:24
8:22
0:00
10M
10.00 mi07:56:001:25:118:316:01
15:04
+6:42
10.5M
10.50 mi07:58:031:27:148:182:03
4:06
-10:58
12M
12.00 mi08:14:081:43:198:3716:05
10:43
+6:37
Finish
13.11 mi08:22:541:52:058:338:46
7:54
-2:49

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

4:06 /mi

Average Pace

8:33 /mi

Slowest Pace

15:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03

2% of race

Time at Steady Pace

1:27:56

78% of race

Time at Slower Pace

22:06

20% of race

Average Pace: 8:33 /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 mi06:47:1116:228:1116:22
8:11
#635
4M
4.00 mi07:03:3532:468:1216:24
8:12
#600
6M
6.00 mi07:19:5149:028:1016:16
8:08
#576
8M
8.00 mi07:36:351:05:468:1316:44
8:22
#564
9.6M
9.60 mi07:49:591:19:108:1513:24
8:22
#701
10M
10.00 mi07:56:001:25:118:316:01
15:04
#693
10.5M
10.50 mi07:58:031:27:148:182:03
4:06
#692
12M
12.00 mi08:14:081:43:198:3716:05
10:43
#629
Finish
13.11 mi08:22:541:52:058:338:46
7:54
#599
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 11%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:04

Segment Time

8:58/mi

Pace

0.90 mi

Distance

Overall

692

Women

128

Division

14

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi63510215481(Top 7%)90(Top 3%)13(Top 3%)
4M4.00 mi2.00 mi600+3591+1113+2590(Top 9%)95(Top 3%)11(Top 3%)
6M6.00 mi2.00 mi576+2488+312+1577(Top 9%)94(Top 3%)11(Top 3%)
8M8.00 mi2.00 mi564+1287+111+1695(Top 11%)97(Top 3%)15(Top 4%)
9.6M9.60 mi1.60 mi701-137122-3514-31947(Top 30%)654(Top 22%)86(Top 22%)
10M10.00 mi0.40 mi693+812214733(Top 11%)154(Top 5%)17(Top 4%)
10.5M10.50 mi0.50 mi692+112214795(Top 12%)150(Top 5%)22(Top 6%)
12M12.00 mi1.50 mi629+63111+1112+2481(Top 7%)90(Top 3%)13(Top 3%)
Finish13.11 mi1.11 mi599+3098+1312523(Top 8%)84(Top 3%)11(Top 3%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 7%
~flat
+5ft-3ft

Overall

481

Females

90

F35-39

13

2M→4M

2.0 - 4.0 mi

Top 9%
×4story building
+67ft-69ft

Overall

590

Females

95

F35-39

11

4M→6M

4.0 - 6.0 mi

Top 9%
×9story building
+123ft-9ft

Overall

577

Females

94

F35-39

11

6M→8M

6.0 - 8.0 mi

Top 11%
×12story building
+166ft-53ft

Overall

695

Females

97

F35-39

15

8M→9.6M

8.0 - 9.6 mi

Top 30%
×13story building
+68ft-193ft

Overall

1947

Females

654

F35-39

86

9.6M→10M

9.6 - 10.0 mi

Top 11%
×2story building
+0ft-24ft

Overall

733

Females

154

F35-39

17

10M→10.5M

10.0 - 10.5 mi

Top 12%
×6story building
+1ft-73ft

Overall

795

Females

150

F35-39

22

10.5M→12M

10.5 - 12.0 mi

Top 7%
×21story building
+280ft-26ft

Overall

481

Females

90

F35-39

13

12M→Finish

12.0 - 13.1 mi

Top 8%
×7story building
+14ft-89ft

Overall

523

Females

84

F35-39

11

Passing Analysis

Category:
Athletes Passed
299*
Passed By
263
Net Change
+36
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#635
2M → 4M6429+35#635#600
4M → 6M4016+24#600#576
6M → 8M6351+12#576#564
8M → 9.6M2139-137#564#701
9.6M → 10M179+8#701#693
10M → 10.5M32+1#693#692
10.5M → 12M7613+63#692#629
12M → Finish34*4+30#629#599
TOTALS299*263+36

* 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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Questions or issues regarding timing data?

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events