San Francisco Marathon logo
SF MARATHON 2ND HALF 2026

Callista Krebs

Bib: 22891•F•Age: 27

San Francisco, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 3840
Top 44%
Gender (Female)
#0 / 1760
Top 32%
Division (F25-29)
#0 / 495
Top 32%
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
9:45/mi
19:31
↑ 138↓ 680.7%
4M
8:54/mi
37:19
↑ 1631.4%
6M
11:51/mi
1:01:01
↑ 55↓ 830.3%
8M
7:24/mi
1:15:50
↑ 65↓ 1510.8%
10M
10:09/mi
1:36:08
↑ 61↓ 1741.1%
12M
10:48/mi
1:57:44
↑ 41↓ 530.1%
Finish· 13.11 mi
10:27/mi
2:09:19
→ flat

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:01:01
Pace10:10 /mi
2nd Half
Distance7.11 mi
Time1:08:18
Pace9:36 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:55:4419:319:4519:31
9:45
-
4M
4.00 mi09:13:3237:199:2017:48
8:54
-0:51
6M
6.00 mi09:37:141:01:0110:1023:42
11:51
+2:57
8M
8.00 mi09:52:031:15:509:2914:49
7:24
-4:27
10M
10.00 mi10:12:211:36:089:3720:18
10:09
+2:45
12M
12.00 mi10:33:571:57:449:4921:36
10:48
+0:39
Finish
13.11 mi10:45:322:09:199:5211:35
10:27
-0:21

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

7:24 /mi

Average Pace

9:52 /mi

Slowest Pace

11:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:37

25% of race

Time at Steady Pace

1:13:00

56% of race

Time at Slower Pace

23:42

18% of race

Average Pace: 9:52 /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 mi08:55:4419:319:4519:31
9:45
#1816
4M
4.00 mi09:13:3237:199:2017:48
8:54
#1677
6M
6.00 mi09:37:141:01:0110:1023:42
11:51
#1706
8M
8.00 mi09:52:031:15:509:2914:49
7:24
#1704
10M
10.00 mi10:12:211:36:089:3720:18
10:09
#1697
12M
12.00 mi10:33:571:57:449:4921:36
10:48
#1697
Finish
13.11 mi10:45:322:09:199:5211:35
10:27
#1693
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi18165901581808(Top 47%)638(Top 36%)186(Top 38%)
4M4.00 mi2.00 mi1677+139537+53148+101566(Top 41%)502(Top 29%)140(Top 28%)
6M6.00 mi2.00 mi1706-29549-121481767(Top 46%)578(Top 33%)161(Top 33%)
8M8.00 mi2.00 mi1704+2547+2152-41717(Top 45%)566(Top 32%)160(Top 32%)
10M10.00 mi2.00 mi1697+7545+2150+21705(Top 44%)568(Top 32%)165(Top 33%)
12M12.00 mi2.00 mi1697560-15154-41808(Top 47%)638(Top 36%)186(Top 38%)
Finish13.11 mi1.11 mi1693+4562-2158-41818(Top 47%)652(Top 37%)190(Top 38%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 47%
×9story building
+138ft-68ft

Overall

1808

Females

638

F25-29

187

2M→4M

2.0 - 4.0 mi

Top 41%
×13story building
+163ft-19ft

Overall

1566

Females

502

F25-29

140

4M→6M

4.0 - 6.0 mi

Top 46%
×4story building
+55ft-83ft

Overall

1767

Females

578

F25-29

162

6M→8M

6.0 - 8.0 mi

Top 45%
×10story building
+65ft-151ft

Overall

1717

Females

566

F25-29

160

8M→10M

8.0 - 10.0 mi

Top 44%
×10story building
+61ft-174ft

Overall

1705

Females

568

F25-29

166

10M→12M

10.0 - 12.0 mi

Top 47%
×3story building
+41ft-53ft

Overall

1808

Females

638

F25-29

187

12M→Finish

12.0 - 13.1 mi

Top 47%
×1human
+6ft-6ft

Overall

1818

Females

652

F25-29

190

Passing Analysis

Category:
Athletes Passed
329*
Passed By
206
Net Change
+123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1816
2M → 4M16728+139#1816#1677
4M → 6M3665-29#1677#1706
6M → 8M3129+2#1706#1704
8M → 10M37*30+7#1704#1697
10M → 12M36360#1697#1697
12M → Finish22*18+4#1697#1693
TOTALS329*206+123

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon