All Results|Race Analytics|Course
SF MARATHON 2025

Ziyu Dong

Bib: 7537•F•Age: 27

West Lafayette, IN

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0:00
0:00
/ mi
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Overall
#0 / 6545
Gender (Female)
#0 / 1878
Top 37%
Division (F25-29)
#0 / 504
Top 39%
Race Day Weather
56°/46°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
1.81 Miles
17:25
Rank: #3609
Start → 1.81 Miles
17:25 | 9:37/mi
5.55 Miles
53:17
Rank: #3376 (+233)
1.81 Miles → 5.55 Miles
35:52 | 9:35/mi
6.52 Miles
1:03:09
Rank: #3344 (+32)
5.55 Miles → 6.52 Miles
9:52 | 10:10/mi
10.87 Miles
1:46:08
Rank: #3356 (-12)
6.52 Miles → 10.87 Miles
42:59 | 9:53/mi
Garmin Hill Challenge· 11.38 mi
1:51:58
Rank: #3284 (+72)
10.87 Miles → Garmin Hill Challenge
5:50 | 11:27/mi
14.95 Miles
2:28:20
Rank: #3732 (-448)
Garmin Hill Challenge → 14.95 Miles
36:22 | 10:11/mi
18 Miles
3:01:49
Rank: #3476 (+256)
14.95 Miles → 18 Miles
33:29 | 10:59/mi
25 Miles
4:17:19
Rank: #3379 (+97)
18 Miles → 25 Miles
1:15:30 | 10:47/mi
Finish· 26.22 mi
4:29:51
Rank: #3336 (+43)
25 Miles → Finish
12:32 | 10:17/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81 Miles
1.81 mi05:46:1417:259:3717:25
9:37
-
5.55 Miles
5.55 mi06:22:0653:179:3635:52
9:35
-0:02
6.52 Miles
6.52 mi06:31:581:03:099:419:52
10:10
+0:35
10.87 Miles
10.87 mi07:14:571:46:089:4642:59
9:53
-0:17
Garmin Hill Challenge
11.38 mi07:20:471:51:589:505:50
11:27
+1:34
14.95 Miles
14.95 mi07:57:092:28:209:5536:22
10:11
-1:16
18 Miles
18.00 mi08:30:383:01:4910:0633:29
10:59
+0:48
25 Miles
25.00 mi09:46:084:17:1910:181:15:30
10:47
-0:12
Finish
26.22 mi09:58:404:29:5110:1812:32
10:17
-0:30

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

9:35 /mi

Average Pace

10:18 /mi

Slowest Pace

11:27 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:35:02

57% of race

Time at Steady Pace

1:48:59

40% of race

Time at Slower Pace

5:50

2% of race

Average Pace: 10:18 /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.

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.81 Miles
1.81 mi05:46:1417:259:3717:25
9:37
#3609
5.55 Miles
5.55 mi06:22:0653:179:3635:52
9:35
#3376
6.52 Miles
6.52 mi06:31:581:03:099:419:52
10:10
#3344
10.87 Miles
10.87 mi07:14:571:46:089:4642:59
9:53
#3356
Garmin Hill Challenge
11.38 mi07:20:471:51:589:505:50
11:27
#3284
14.95 Miles
14.95 mi07:57:092:28:209:5536:22
10:11
#3732
18 Miles
18.00 mi08:30:383:01:4910:0633:29
10:59
#3476
25 Miles
25.00 mi09:46:084:17:1910:181:15:30
10:47
#3379
Finish
26.22 mi09:58:404:29:5110:1812:32
10:17
#3336
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.81 Miles1.81 mi1.81 mi36097202043609(Top 55%)720(Top 38%)204(Top 40%)
5.55 Miles5.55 mi3.74 mi3376+233643+77184+203330(Top 51%)631(Top 34%)179(Top 36%)
6.52 Miles6.52 mi0.97 mi3344+32631+12180+43358(Top 51%)628(Top 33%)180(Top 36%)
10.87 Miles10.87 mi4.35 mi3356-12640-9187-73429(Top 52%)667(Top 36%)195(Top 39%)
Garmin Hill Challenge11.38 mi0.51 mi3284+72614+26180+72622(Top 40%)426(Top 23%)129(Top 26%)
14.95 Miles14.95 mi3.57 mi3732-448773-159221-414968(Top 76%)1223(Top 65%)330(Top 65%)
18 Miles18.00 mi3.05 mi3476+256699+74204+172811(Top 43%)526(Top 28%)148(Top 29%)
25 Miles25.00 mi7.00 mi3379+97712-13200+43247(Top 50%)752(Top 40%)202(Top 40%)
Finish26.22 mi1.22 mi3336+43707+5198+22856(Top 44%)651(Top 35%)188(Top 37%)

Segment Performance Analysis

Start → 1.81 Miles

0.0 - 1.8 mi

Top 55%
×1human
+6ft-10ft

Overall

3609

Females

720

F25-29

208

1.81 Miles→5.55 Miles

1.8 - 5.5 mi

Top 51%
×6stories
+97ft-86ft

Overall

3330

Females

631

F25-29

182

5.55 Miles→6.52 Miles

5.5 - 6.5 mi

Top 51%
×15stories
+178ft-5ft

Overall

3358

Females

628

F25-29

184

6.52 Miles→10.87 Miles

6.5 - 10.9 mi

Top 52%
×20stories
+201ft-318ft

Overall

3429

Females

667

F25-29

198

10.87 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 40%
×11stories
+134ft-79ft

Overall

2622

Females

426

F25-29

132

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 76%
×17stories
+251ft-225ft

Overall

4968

Females

1223

F25-29

335

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 43%
×12stories
+165ft-60ft

Overall

2811

Females

526

F25-29

151

18 Miles→25 Miles

18.0 - 25.0 mi

Top 50%
×22stories
+142ft-378ft

Overall

3247

Females

752

F25-29

203

25 Miles→Finish

25.0 - 26.2 mi

Top 44%
~flat
+2ft-0ft

Overall

2856

Females

651

F25-29

188

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1131*
Passed By
858
Net Change
+273
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81 Miles----#3609
1.81 Miles → 5.55 Miles333100+233#3609#3376
5.55 Miles → 6.52 Miles5927+32#3376#3344
6.52 Miles → 10.87 Miles103*115-12#3344#3356
10.87 Miles → Garmin Hill Challenge8210+72#3356#3284
Garmin Hill Challenge → 14.95 Miles9*457-448#3284#3732
14.95 Miles → 18 Miles272*16+256#3732#3476
18 Miles → 25 Miles221*124+97#3476#3379
25 Miles → Finish52*9+43#3379#3336
TOTALS1131*858+273

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

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Activity Data

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Public Race Data

The San Francisco Marathon

The San Francisco Marathon