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SF MARATHON 2ND HALF 2026

Arjun Lahiri

Bib: 23642•M•Age: 54

Los Altos, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 3840
Gender (Male)
#0 / 2065
Masters (Masters Men)
#0 / 555
Division (M50-54)
#0 / 90
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
11:57/mi
23:54
↑ 138↓ 680.7%
4M
12:40/mi
49:13
↑ 1631.4%
6M
13:15/mi
1:15:43
↑ 55↓ 830.3%
8M
8:21/mi
1:32:26
↑ 65↓ 1510.8%
10M
10:57/mi
1:54:19
↑ 61↓ 1741.1%
12M
10:51/mi
2:16:01
↑ 41↓ 530.1%
Finish· 13.11 mi
9:57/mi
2:27:03
→ flat

The Course

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Half Splits

1st Half· via 6M
Distance6.00 mi
Time1:15:43
Pace12:37 /mi
2nd Half✓ Faster
Distance7.11 mi
Time1:11:20
Pace10:02 /mi
📊Negative Split: 5.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:02:3223:5411:5723:54
11:57
-
4M
4.00 mi09:27:5149:1312:1825:19
12:40
+0:43
6M
6.00 mi09:54:211:15:4312:3726:30
13:15
+0:35
8M
8.00 mi10:11:041:32:2611:3316:43
8:21
-4:54
10M
10.00 mi10:32:571:54:1911:2621:53
10:57
+2:36
12M
12.00 mi10:54:392:16:0111:2021:42
10:51
-0:06
Finish
13.11 mi11:05:412:27:0311:1311:02
9:57
-0:54

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

8:21 /mi

Average Pace

11:13 /mi

Slowest Pace

13:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:45

19% of race

Time at Steady Pace

43:35

30% of race

Time at Slower Pace

1:15:43

51% of race

Average Pace: 11:13 /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 mi09:02:3223:5411:5723:54
11:57
#3284
4M
4.00 mi09:27:5149:1312:1825:19
12:40
#3400
6M
6.00 mi09:54:211:15:4312:3726:30
13:15
#3154
8M
8.00 mi10:11:041:32:2611:3316:43
8:21
#3056
10M
10.00 mi10:32:571:54:1911:2621:53
10:57
#2888
12M
12.00 mi10:54:392:16:0111:2021:42
10:51
#2719
Finish
13.11 mi11:05:412:27:0311:1311:02
9:57
#2621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2M2.00 mi2.00 mi32841857831839(Top 48%)1180(Top 57%)48(Top 53%)
4M4.00 mi2.00 mi3400-1161899-4284-13443(Top 90%)1906(Top 92%)82(Top 91%)
6M6.00 mi2.00 mi3154+2461816+8380+42606(Top 68%)1579(Top 76%)67(Top 74%)
8M8.00 mi2.00 mi3056+981773+43802550(Top 66%)1549(Top 75%)64(Top 71%)
10M10.00 mi2.00 mi2888+1681694+7977+32176(Top 57%)1372(Top 66%)55(Top 61%)
12M12.00 mi2.00 mi2719+1691621+7370+71839(Top 48%)1180(Top 57%)48(Top 53%)
Finish13.11 mi1.11 mi2621+981573+4866+41544(Top 40%)1011(Top 49%)42(Top 47%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 48%
×9story building
+138ft-68ft

Overall

1839

Males

1180

M50-54

48

2M→4M

2.0 - 4.0 mi

Top 90%
×13story building
+163ft-19ft

Overall

3443

Males

1906

M50-54

82

4M→6M

4.0 - 6.0 mi

Top 68%
×4story building
+55ft-83ft

Overall

2606

Males

1579

M50-54

67

6M→8M

6.0 - 8.0 mi

Top 66%
×10story building
+65ft-151ft

Overall

2550

Males

1549

M50-54

64

8M→10M

8.0 - 10.0 mi

Top 57%
×10story building
+61ft-174ft

Overall

2176

Males

1372

M50-54

55

10M→12M

10.0 - 12.0 mi

Top 48%
×3story building
+41ft-53ft

Overall

1839

Males

1180

M50-54

48

12M→Finish

12.0 - 13.1 mi

Top 40%
×1human
+6ft-6ft

Overall

1544

Males

1011

M50-54

42

Passing Analysis

Category:
Athletes Passed
821*
Passed By
158
Net Change
+663
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3284
2M → 4M34150-116#3284#3400
4M → 6M2493+246#3400#3154
6M → 8M99*1+98#3154#3056
8M → 10M170*2+168#3056#2888
10M → 12M1701+169#2888#2719
12M → Finish99*1+98#2719#2621
TOTALS821*158+663

* 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