San Francisco Marathon logo
SF MARATHON 1ST HALF 2025

Norah Collins

Albuquerque, NM

Bib: 11736 F 37

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 7100
Gender (Female)
#0 / 3107
Division (F35-39)
#0 / 389
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
9:18/mi
16:50
→ flat
12 ft elev
5.34M
9:55/mi
51:51
↑ 80↓ 74
19 ft elev
6.15M
11:50/mi
1:01:26
↑ 1262.8%
149 ft elev
10.54M
11:49/mi
1:53:20
↑ 230↓ 3610.6%
20 ft elev
11.05M
18:20/mi
2:02:41
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
13:06/mi
2:29:40
↑ 97↓ 1140.2%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:01:269:59 /mi⚡ faster
2nd Half
1:28:1412:41 /mi+43.6%
Positive split — 43.6% slower in the second half
Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:48:1416:509:1816:50
9:18
-
5.34M
5.34 mi07:23:1551:519:4335:01
9:55
+0:37
6.15M
6.15 mi07:32:501:01:269:599:35
11:50
+1:55
10.54M
10.54 mi08:24:441:53:2010:4551:54
11:49
-0:01
11.05M
11.05 mi08:34:052:02:4111:069:21
18:20
+6:31
Finish
13.11 mi09:01:042:29:4011:2526:59
13:06
-5:14

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

9:18 /mi

Average Pace

11:25 /mi

Slowest Pace

18:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:51

35% of race

Time at Steady Pace

1:28:28

59% of race

Time at Slower Pace

9:21

6% of race

Average Pace: 11:25 /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
1.81M
1.81 mi06:48:1416:509:1816:50
9:18
#2507
5.34M
5.34 mi07:23:1551:519:4335:01
9:55
#3049
6.15M
6.15 mi07:32:501:01:269:599:35
11:50
#3355
10.54M
10.54 mi08:24:441:53:2010:4551:54
11:49
#4274
11.05M
11.05 mi08:34:052:02:4111:069:21
18:20
#4481
Finish
13.11 mi09:01:042:29:4011:2526:59
13:06
#4767
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
1.81M1.81 mi1.81 mi250769497250769497
5.34M5.34 mi3.53 mi3049-542935-241125-2833231058141
6.15M6.15 mi0.81 mi3355-3061071-136140-1550831940239
10.54M10.54 mi4.39 mi4274-9191521-450194-5452122042251
11.05M11.05 mi0.51 mi4481-2071629-108206-1259402449300
Finish13.11 mi2.06 mi4767-2861805-176220-1457372415294

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 35%
~flat
+4ft-3ft

Overall

2507

Females

694

F35-39

97

1.81M→5.34M

1.8 - 5.3 mi

Top 47%
×4story building
+80ft-74ft

Overall

3323

Females

1058

F35-39

141

5.34M→6.15M

5.3 - 6.2 mi

Top 72%
×10story building
+126ft-4ft

Overall

5083

Females

1940

F35-39

239

6.15M→10.54M

6.2 - 10.5 mi

Top 73%
×21story building
+230ft-361ft

Overall

5212

Females

2042

F35-39

251

10.54M→11.05M

10.5 - 11.1 mi

Top 84%
×14story building
+172ft-0ft

Overall

5940

Females

2449

F35-39

300

11.05M→Finish

11.1 - 13.1 mi

Top 81%
×7story building
+97ft-114ft

Overall

5737

Females

2415

F35-39

294

Passing Analysis

Category:
Athletes Passed
127*
Passed By
2387
Net Change
-2260
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#2507
1.81M → 5.34M72*614-542#2507#3049
5.34M → 6.15M1307-306#3049#3355
6.15M → 10.54M20*939-919#3355#4274
10.54M → 11.05M3210-207#4274#4481
11.05M → Finish31*317-286#4481#4767
TOTALS127*2387-2260

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

Passing Charts

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

Race Place Events

Race Place Events