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SF MARATHON 2ND HALF 2026

Dalena Nguyen

Bib: 26299•F•Age: 31

Dublin, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
Division (F30-34)
#0 / 408
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
10:06/mi
20:12
↑ 138↓ 680.7%
4M
9:27/mi
39:05
↑ 1631.4%
6M
12:38/mi
1:04:21
↑ 55↓ 830.3%
8M
8:08/mi
1:20:38
↑ 65↓ 1510.8%
10M
13:12/mi
1:47:02
↑ 61↓ 1741.1%
12M
13:12/mi
2:13:27
↑ 41↓ 530.1%
Finish· 13.11 mi
19:13/mi
2:34:46
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:04:21
Pace10:44 /mi
2nd Half
Distance7.11 mi
Time1:30:25
Pace12:43 /mi
📊Positive Split: 40.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:58:3320:1210:0620:12
10:06
-
4M
4.00 mi09:17:2639:059:4618:53
9:27
-0:39
6M
6.00 mi09:42:421:04:2110:4425:16
12:38
+3:11
8M
8.00 mi09:58:591:20:3810:0516:17
8:08
-4:30
10M
10.00 mi10:25:231:47:0210:4226:24
13:12
+5:04
12M
12.00 mi10:51:482:13:2711:0726:25
13:12
0:00
Finish
13.11 mi11:13:072:34:4611:4821:19
19:13
+6:01

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

8:08 /mi

Average Pace

11:48 /mi

Slowest Pace

19:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

55:22

36% of race

Time at Steady Pace

1:18:05

50% of race

Time at Slower Pace

21:19

14% of race

Average Pace: 11:48 /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 mi08:58:3320:1210:0620:12
10:06
#2122
4M
4.00 mi09:17:2639:059:4618:53
9:27
#2003
6M
6.00 mi09:42:421:04:2110:4425:16
12:38
#2088
8M
8.00 mi09:58:591:20:3810:0516:17
8:08
#2128
10M
10.00 mi10:25:231:47:0210:4226:24
13:12
#2464
12M
12.00 mi10:51:482:13:2711:0726:25
13:12
#2592
Finish
13.11 mi11:13:072:34:4611:4821:19
19:13
#2920
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi21227571972963(Top 77%)1247(Top 71%)309(Top 76%)
4M4.00 mi2.00 mi2003+119691+66180+171951(Top 51%)674(Top 38%)175(Top 43%)
6M6.00 mi2.00 mi2088-85729-38191-112243(Top 58%)820(Top 47%)216(Top 53%)
8M8.00 mi2.00 mi2128-40753-24195-42357(Top 61%)876(Top 50%)224(Top 55%)
10M10.00 mi2.00 mi2464-336933-180237-423210(Top 84%)1379(Top 78%)332(Top 81%)
12M12.00 mi2.00 mi2592-1281011-78253-162963(Top 77%)1247(Top 71%)309(Top 76%)
Finish13.11 mi1.11 mi2920-3281212-201304-513776(Top 98%)1739(Top 99%)403(Top 99%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 77%
×9story building
+138ft-68ft

Overall

2963

Females

1247

F30-34

309

2M→4M

2.0 - 4.0 mi

Top 51%
×13story building
+163ft-19ft

Overall

1951

Females

674

F30-34

175

4M→6M

4.0 - 6.0 mi

Top 58%
×4story building
+55ft-83ft

Overall

2243

Females

820

F30-34

216

6M→8M

6.0 - 8.0 mi

Top 61%
×10story building
+65ft-151ft

Overall

2357

Females

876

F30-34

224

8M→10M

8.0 - 10.0 mi

Top 84%
×10story building
+61ft-174ft

Overall

3210

Females

1379

F30-34

332

10M→12M

10.0 - 12.0 mi

Top 77%
×3story building
+41ft-53ft

Overall

2963

Females

1247

F30-34

309

12M→Finish

12.0 - 13.1 mi

Top 98%
×1human
+6ft-6ft

Overall

3776

Females

1739

F30-34

403

Passing Analysis

Category:
Athletes Passed
212*
Passed By
1010
Net Change
-798
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2122
2M → 4M15839+119#2122#2003
4M → 6M24109-85#2003#2088
6M → 8M1656-40#2088#2128
8M → 10M1*337-336#2128#2464
10M → 12M8136-128#2464#2592
12M → Finish5*333-328#2592#2920
TOTALS212*1010-798

* 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