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SF MARATHON 2ND HALF 2026

Melinda Ng

Bib: 22648•F•Age: 49

San Francisco, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 3840
Top 23%
Gender (Female)
#0 / 1760
Top 13%
Masters (Masters Women)
#0 / 365
Top 8%
Division (F45-49)
#0 / 81
Top 12%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
18:00
Rank: #1190
Start → 2M
18:00 | 9:00/mi
4M
33:51
Rank: #939 (+251)
2M → 4M
15:51 | 7:56/mi
6M
55:05
Rank: #929 (+10)
4M → 6M
21:14 | 10:37/mi
8M
1:08:21
Rank: #921 (+8)
6M → 8M
13:16 | 6:38/mi
10M
1:26:19
Rank: #921
8M → 10M
17:58 | 8:59/mi
12M
1:44:53
Rank: #912 (+9)
10M → 12M
18:34 | 9:17/mi
Finish· 13.11 mi
1:54:31
Rank: #880 (+32)
12M → Finish
9:38 | 8:41/mi

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time55:05
Pace9:11 /mi
2nd Half
Distance7.11 mi
Time59:26
Pace8:22 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:50:1718:009:0018:00
9:00
-
4M
4.00 mi09:06:0833:518:2815:51
7:56
-1:04
6M
6.00 mi09:27:2255:059:1121:14
10:37
+2:41
8M
8.00 mi09:40:381:08:218:3313:16
6:38
-3:59
10M
10.00 mi09:58:361:26:198:3817:58
8:59
+2:21
12M
12.00 mi10:17:101:44:538:4418:34
9:17
+0:18
Finish
13.11 mi10:26:481:54:318:449:38
8:41
-0:36

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

6:38 /mi

Average Pace

8:44 /mi

Slowest Pace

10:37 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:07

25% of race

Time at Steady Pace

1:04:10

56% of race

Time at Slower Pace

21:14

19% of race

Average Pace: 8:44 /mi

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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 mi08:50:1718:009:0018:00
9:00
#1190
4M
4.00 mi09:06:0833:518:2815:51
7:56
#939
6M
6.00 mi09:27:2255:059:1121:14
10:37
#929
8M
8.00 mi09:40:381:08:218:3313:16
6:38
#921
10M
10.00 mi09:58:361:26:198:3817:58
8:59
#921
12M
12.00 mi10:17:101:44:538:4418:34
9:17
#912
Finish
13.11 mi10:26:481:54:318:449:38
8:41
#880
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
2M2.00 mi2.00 mi119033614909(Top 24%)256(Top 15%)11(Top 14%)
4M4.00 mi2.00 mi939+251250+8612+2776(Top 20%)194(Top 11%)8(Top 10%)
6M6.00 mi2.00 mi929+10245+512951(Top 25%)260(Top 15%)11(Top 14%)
8M8.00 mi2.00 mi921+8244+111+1956(Top 25%)257(Top 15%)9(Top 11%)
10M10.00 mi2.00 mi921242+211924(Top 24%)247(Top 14%)10(Top 12%)
12M12.00 mi2.00 mi912+924212-1909(Top 24%)256(Top 15%)11(Top 14%)
Finish13.11 mi1.11 mi880+32231+1110+2767(Top 20%)197(Top 11%)6(Top 7%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 24%
×9stories
+138ft-68ft

Overall

909

Females

256

F45-49

11

2M→4M

2.0 - 4.0 mi

Top 20%
×13stories
+163ft-19ft

Overall

776

Females

194

F45-49

8

4M→6M

4.0 - 6.0 mi

Top 25%
×4stories
+55ft-83ft

Overall

951

Females

260

F45-49

11

6M→8M

6.0 - 8.0 mi

Top 25%
×10stories
+65ft-151ft

Overall

956

Females

257

F45-49

9

8M→10M

8.0 - 10.0 mi

Top 24%
×10stories
+61ft-174ft

Overall

924

Females

247

F45-49

10

10M→12M

10.0 - 12.0 mi

Top 24%
×3stories
+41ft-53ft

Overall

909

Females

256

F45-49

11

12M→Finish

12.0 - 13.1 mi

Top 20%
×1human
+6ft-6ft

Overall

767

Females

197

F45-49

6

Passing Analysis

Category:
Athletes Passed
403*
Passed By
93
Net Change
+310
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1190
2M → 4M2521+251#1190#939
4M → 6M3323+10#939#929
6M → 8M2618+8#929#921
8M → 10M22*220#921#921
10M → 12M3223+9#921#912
12M → Finish386+32#912#880
TOTALS403*93+310

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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