San Francisco Marathon logo
SF MARATHON 2024

Zack Spencer

Bib: 105•M•Age: 36

Hillsborough, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 5694
Top 0.8%
Gender (Male)
#0 / 4127
Top 1%
Division (M35-39)
#0 / 572
Top 1%
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
1.81M
11:23
Rank: #48
Start → 1.81M
11:23 | 6:17/mi
6.52M
41:43
Rank: #43 (+5)
1.81M → 6.52M
30:20 | 6:26/mi
10.89M
1:10:05
Rank: #41 (+2)
6.52M → 10.89M
28:22 | 6:29/mi
Garmin Hill Challenge· 11.40 mi
1:13:33
Rank: #39 (+2)
10.89M → Garmin Hill Challenge
3:28 | 6:48/mi
14.95M
1:34:01
Rank: #38 (+1)
Garmin Hill Challenge → 14.95M
20:28 | 5:46/mi
18M
1:55:42
Rank: #36 (+2)
14.95M → 18M
21:41 | 7:07/mi
24.69M
2:41:59
Rank: #44 (-8)
18M → 24.69M
46:17 | 6:55/mi
Finish· 26.22 mi
2:52:01
Rank: #46 (-2)
24.69M → Finish
10:02 | 6:34/mi

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.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi05:26:5211:236:1711:23
6:17
-
6.52M
6.52 mi05:57:1241:436:2430:20
6:26
+0:09
10.89M
10.89 mi06:25:341:10:056:2628:22
6:29
+0:03
Garmin Hill Challenge
11.40 mi06:29:021:13:336:273:28
6:48
+0:19
14.95M
14.95 mi06:49:301:34:016:1720:28
5:46
-1:02
18M
18.00 mi07:11:111:55:426:2621:41
7:07
+1:21
24.69M
24.69 mi07:57:282:41:596:3446:17
6:55
-0:12
Finish
26.22 mi08:07:302:52:016:3410:02
6:34
-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

5:46 /mi

Average Pace

6:34 /mi

Slowest Pace

7:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:51

19% of race

Time at Steady Pace

1:08:44

40% of race

Time at Slower Pace

1:11:26

42% of race

Average Pace: 6:34 /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...
0mi6.6mi13.1mi19.7mi26.2mi
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 mi05:26:5211:236:1711:23
6:17
#48
6.52M
6.52 mi05:57:1241:436:2430:20
6:26
#43
10.89M
10.89 mi06:25:341:10:056:2628:22
6:29
#41
Garmin Hill Challenge
11.40 mi06:29:021:13:336:273:28
6:48
#39
14.95M
14.95 mi06:49:301:34:016:1720:28
5:46
#38
18M
18.00 mi07:11:111:55:426:2621:41
7:07
#36
24.69M
24.69 mi07:57:282:41:596:3446:17
6:55
#44
Finish
26.22 mi08:07:302:52:016:3410:02
6:34
#46
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
1.81M1.81 mi1.81 mi4847848(Top 0.8%)47(Top 1%)8(Top 1%)
6.52M6.52 mi4.71 mi43+543+46+242(Top 0.7%)42(Top 1%)6(Top 1%)
10.89M10.89 mi4.37 mi41+241+25+141(Top 0.7%)41(Top 1.0%)5(Top 0.9%)
Garmin Hill Challenge11.40 mi0.51 mi39+239+25163(Top 3%)153(Top 4%)12(Top 2%)
14.95M14.95 mi3.55 mi38+138+14+132(Top 0.6%)32(Top 0.8%)3(Top 0.5%)
18M18.00 mi3.05 mi36+236+2437(Top 0.6%)36(Top 0.9%)4(Top 0.7%)
24.69M24.69 mi6.69 mi44-844-86-266(Top 1%)64(Top 2%)12(Top 2%)
Finish26.22 mi1.53 mi46-246-27-185(Top 1%)78(Top 2%)16(Top 3%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 0.8%
×1human
+6ft-10ft

Overall

48

Males

47

M35-39

8

1.81M→6.52M

1.8 - 6.5 mi

Top 0.7%
×16stories
+275ft-93ft

Overall

42

Males

42

M35-39

6

6.52M→10.89M

6.5 - 10.9 mi

Top 0.7%
×20stories
+201ft-318ft

Overall

41

Males

41

M35-39

5

10.89M→Garmin Hill Challenge

10.9 - 11.4 mi

Top 3%
×11stories
+134ft-79ft

Overall

163

Males

153

M35-39

12

Garmin Hill Challenge→14.95M

11.4 - 14.9 mi

Top 0.6%
×17stories
+251ft-225ft

Overall

32

Males

32

M35-39

3

14.95M→18M

14.9 - 18.0 mi

Top 0.6%
×12stories
+165ft-60ft

Overall

37

Males

36

M35-39

4

18M→24.69M

18.0 - 24.7 mi

Top 1%
×22stories
+142ft-377ft

Overall

66

Males

64

M35-39

12

24.69M→Finish

24.7 - 26.2 mi

Top 1%
~flat
+2ft-2ft

Overall

85

Males

78

M35-39

16

Passing Analysis

Category:
Athletes Passed
18*
Passed By
16
Net Change
+2
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#48
1.81M → 6.52M83+5#48#43
6.52M → 10.89M20+2#43#41
10.89M → Garmin Hill Challenge20+2#41#39
Garmin Hill Challenge → 14.95M10+1#39#38
14.95M → 18M31+2#38#36
18M → 24.69M2*10-8#36#44
24.69M → Finish02-2#44#46
TOTALS18*16+2

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

📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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
Share Feedback

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events