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SF MARATHON 1ST HALF 2026

Derrick Guerrero

Bib: 17554•X•Age: 36

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Other)
#0 / 26
NB35-39
#0 / 4
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
10:29/mi
20:59
→ flat
4M
11:03/mi
43:04
↑ 67↓ 69
6M
12:29/mi
1:08:03
↑ 1231.1%
8M
12:59/mi
1:34:01
↑ 166↓ 531.1%
9.6M
10:14/mi
1:50:24
↑ 68↓ 1931.5%
10M
21:52/mi
1:59:08
↓ 241.1%
10.5M
6:32/mi
2:02:24
↓ 732.7%
12M
16:33/mi
2:27:14
↑ 2803.2%
Finish· 13.11 mi
12:30/mi
2:41:06
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:08:03
Pace11:21 /mi
2nd Half
Distance7.11 mi
Time1:33:03
Pace13:05 /mi
📊Positive Split: 36.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:04:1220:5910:2920:59
10:29
-
4M
4.00 mi07:26:1743:0410:4622:05
11:03
+0:34
6M
6.00 mi07:51:161:08:0311:2124:59
12:29
+1:26
8M
8.00 mi08:17:141:34:0111:4525:58
12:59
+0:30
9.6M
9.60 mi08:33:371:50:2411:3016:23
10:14
-2:45
10M
10.00 mi08:42:211:59:0811:558:44
21:52
+11:38
10.5M
10.50 mi08:45:372:02:2411:393:16
6:32
-15:20
12M
12.00 mi09:10:272:27:1412:1624:50
16:33
+10:01
Finish
13.11 mi09:24:192:41:0612:1713:52
12:30
-4:03

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

6:32 /mi

Average Pace

12:17 /mi

Slowest Pace

21:52 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

19:39

12% of race

Time at Steady Pace

1:47:53

67% of race

Time at Slower Pace

33:34

21% of race

Average Pace: 12:17 /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 mi07:04:1220:5910:2920:59
10:29
#3915
4M
4.00 mi07:26:1743:0410:4622:05
11:03
#4086
6M
6.00 mi07:51:161:08:0311:2124:59
12:29
#4677
8M
8.00 mi08:17:141:34:0111:4525:58
12:59
#4948
9.6M
9.60 mi08:33:371:50:2411:3016:23
10:14
#4850
10M
10.00 mi08:42:211:59:0811:558:44
21:52
#4826
10.5M
10.50 mi08:45:372:02:2411:393:16
6:32
#4865
12M
12.00 mi09:10:272:27:1412:1624:50
16:33
#4807
Finish
13.11 mi09:24:192:41:0612:1713:52
12:30
#4832
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 74%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:00

Segment Time

13:20/mi

Pace

0.90 mi

Distance

Overall

4842

Gender

21

Division

4

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXNB35-39Seg. OverallSeg. XSeg. NB35-39
2M2.00 mi2.00 mi39151324572(Top 70%)20(Top 77%)3(Top 75%)
4M4.00 mi2.00 mi4086-17114-124270(Top 65%)16(Top 62%)3(Top 75%)
6M6.00 mi2.00 mi4677-59119-53-15507(Top 84%)22(Top 85%)4(Top 100%)
8M8.00 mi2.00 mi4948-2711935423(Top 82%)21(Top 81%)4(Top 100%)
9.6M9.60 mi1.60 mi4850+981934298(Top 65%)15(Top 58%)3(Top 75%)
10M10.00 mi0.40 mi4826+241934491(Top 68%)17(Top 65%)2(Top 50%)
10.5M10.50 mi0.50 mi4865-391935905(Top 90%)21(Top 81%)4(Top 100%)
12M12.00 mi1.50 mi4807+581934572(Top 70%)20(Top 77%)3(Top 75%)
Finish13.11 mi1.11 mi4832-2520-135266(Top 80%)21(Top 81%)4(Top 100%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 70%
~flat
+5ft-3ft

Overall

4572

X

20

X35-39

3

2M→4M

2.0 - 4.0 mi

Top 65%
×4story building
+67ft-69ft

Overall

4270

X

16

X35-39

3

4M→6M

4.0 - 6.0 mi

Top 84%
×9story building
+123ft-9ft

Overall

5507

X

22

X35-39

4

6M→8M

6.0 - 8.0 mi

Top 82%
×12story building
+166ft-53ft

Overall

5423

X

21

X35-39

4

8M→9.6M

8.0 - 9.6 mi

Top 65%
×13story building
+68ft-193ft

Overall

4298

X

15

X35-39

3

9.6M→10M

9.6 - 10.0 mi

Top 68%
×2story building
+0ft-24ft

Overall

4491

X

17

X35-39

2

10M→10.5M

10.0 - 10.5 mi

Top 90%
×6story building
+1ft-73ft

Overall

5905

X

21

X35-39

4

10.5M→12M

10.5 - 12.0 mi

Top 70%
×21story building
+280ft-26ft

Overall

4572

X

20

X35-39

3

12M→Finish

12.0 - 13.1 mi

Top 80%
×7story building
+14ft-89ft

Overall

5266

X

21

X35-39

4

Passing Analysis

Category:
Athletes Passed
627*
Passed By
1544
Net Change
-917
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3915
2M → 4M123294-171#3915#4086
4M → 6M19*610-591#4086#4677
6M → 8M51*322-271#4677#4948
8M → 9.6M19698+98#4948#4850
9.6M → 10M5531+24#4850#4826
10M → 10.5M241-39#4826#4865
10.5M → 12M125*67+58#4865#4807
12M → Finish56*81-25#4807#4832
TOTALS627*1544-917

* 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

Race Place Events

Race Place Events