Derek Tung

Bib: 25174MAge: 24

Somerville, MA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Male)
#0 / 2065
M20-29
#0 / 190
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9292 ft
×24story building
548 ft climb · 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
10:53/mi
21:47
138680.7%
4M
10:59/mi
43:44
1631.4%
6M
13:12/mi
1:10:08
55830.3%
8M
7:32/mi
1:25:13
651510.8%
10M
11:38/mi
1:48:28
611741.1%
12M
12:51/mi
2:14:11
41530.1%
Finish· 13.11 mi
11:16/mi
2:26:41
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:10:08
Pace11:41 /mi
2nd Half
Distance7.11 mi
Time1:16:33
Pace10:46 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:15:0221:4710:5321:47
10:53
-
4M
4.00 mi09:36:5943:4410:5621:57
10:59
+0:06
6M
6.00 mi10:03:231:10:0811:4126:24
13:12
+2:13
8M
8.00 mi10:18:281:25:1310:3915:05
7:32
-5:40
10M
10.00 mi10:41:431:48:2810:5123:15
11:38
+4:06
12M
12.00 mi11:07:262:14:1111:1125:43
12:51
+1:13
Finish
13.11 mi11:19:562:26:4111:1112:30
11:16
-1:35

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

7:32 /mi

Average Pace

11:11 /mi

Slowest Pace

13:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:05

10% of race

Time at Steady Pace

1:19:29

54% of race

Time at Slower Pace

52:07

36% of race

Average Pace: 11:11 /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 mi09:15:0221:4710:5321:47
10:53
#2754
4M
4.00 mi09:36:5943:4410:5621:57
10:59
#2812
6M
6.00 mi10:03:231:10:0811:4126:24
13:12
#2726
8M
8.00 mi10:18:281:25:1310:3915:05
7:32
#2571
10M
10.00 mi10:41:431:48:2810:5123:15
11:38
#2571
12M
12.00 mi11:07:262:14:1111:1125:43
12:51
#2632
Finish
13.11 mi11:19:562:26:4111:1112:30
11:16
#2603
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi275416421602837(Top 74%)1640(Top 79%)166(Top 87%)
4M4.00 mi2.00 mi2812-581678-36167-72871(Top 75%)1697(Top 82%)170(Top 89%)
6M6.00 mi2.00 mi2726+861640+381672579(Top 67%)1569(Top 76%)162(Top 85%)
8M8.00 mi2.00 mi2571+1551569+71160+71835(Top 48%)1214(Top 59%)124(Top 65%)
10M10.00 mi2.00 mi25711564+5159+12573(Top 67%)1545(Top 75%)156(Top 82%)
12M12.00 mi2.00 mi2632-611585-21161-22837(Top 74%)1640(Top 79%)166(Top 87%)
Finish13.11 mi1.11 mi2603+291565+20159+22307(Top 60%)1384(Top 67%)142(Top 75%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 74%
×9story building
+138ft-68ft

Overall

2837

Males

1640

M20-24

167

2M→4M

2.0 - 4.0 mi

Top 75%
×13story building
+163ft-19ft

Overall

2871

Males

1697

M20-24

170

4M→6M

4.0 - 6.0 mi

Top 67%
×4story building
+55ft-83ft

Overall

2579

Males

1569

M20-24

163

6M→8M

6.0 - 8.0 mi

Top 48%
×10story building
+65ft-151ft

Overall

1835

Males

1214

M20-24

124

8M→10M

8.0 - 10.0 mi

Top 67%
×10story building
+61ft-174ft

Overall

2573

Males

1545

M20-24

157

10M→12M

10.0 - 12.0 mi

Top 74%
×3story building
+41ft-53ft

Overall

2837

Males

1640

M20-24

167

12M→Finish

12.0 - 13.1 mi

Top 60%
×1human
+6ft-6ft

Overall

2307

Males

1384

M20-24

142

Passing Analysis

Category:
Athletes Passed
468*
Passed By
317
Net Change
+151
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2754
2M4M92150-58#2754#2812
4M6M12438+86#2812#2726
6M8M1550+155#2726#2571
8M10M41*410#2571#2571
10M12M1879-61#2571#2632
12MFinish38*9+29#2632#2603
TOTALS468*317+151

* 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